Flame cutting device for tapping of connecting pipe on barrel
By introducing the connection structure between the adjusting sleeve and the adjusting shaft and the negative pressure suction cup into the flame cutting device, the uncertainty problem of the opening position of the pipe on the cylinder is solved, and an efficient and smooth cutting effect is achieved to meet the cutting requirements of pipes with different diameters.
Patent Information
- Application Number
- CN202422941302.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-30
AI Technical Summary
In the prior art, the hole-opening operation at the connecting pipe position on the cylinder is difficult to accurately locate, the cutting trajectory is irregular, the cutting surface is rough, and the efficiency is low.
A flame cutting device is designed, including a cutting gun head, an adjustment shaft and a support rod assembly. The precise positioning and position adjustment of the cutting gun head are achieved through the connection structure between the adjustment sleeve and the adjustment shaft and the cooperation of the negative pressure suction cup. The support rod assembly provides stable support to ensure cutting quality and efficiency.
It realizes the precise positioning and efficient cutting of the pipe opening on the cylinder, with a smooth cutting surface, which is suitable for cutting holes of pipes with different diameters, and improves the opening quality and efficiency.
Smart Images
Figure CN223455224U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the processing equipment technical field of boiler and pressure vessel cylinder. BACKGROUND
[0002] The cylinder of the boiler and pressure vessel needs to be provided with several pipes with different functions, such as medium input pipe, medium output pipe, etc. Therefore, the cylinder needs to be holed at the position where the pipe is to be installed, so as to install the corresponding pipe.
[0003] At present, the hole of the pipe on the cylinder is holed by using a handheld flame cutting tool. The heat and oxidation of high-temperature flame make the metal melt and oxidize, so as to cut the metal. The structure of the handheld flame cutting tool comprises a cutting gun head, which is fixed on a gun head connecting seat. The output ends of an oxygen delivery pipe and an acetylene delivery pipe are fixedly connected with the gun head connecting seat. The input end of the acetylene delivery pipe is provided with an acetylene flow control valve. The input end of the acetylene delivery pipe is connected with an acetylene input pipe. The input end of the oxygen delivery pipe is connected with an oxygen input pipe. The input end of the oxygen delivery pipe is provided with an oxygen flow control valve. The acetylene input pipe and the acetylene input pipe pass through the handle sleeve.
[0004] In the actual cutting of the pipe hole on the cylinder, the above-mentioned traditional handheld flame cutting tool is easy to shake during handheld, the circular track is not easy to control, the shape regularity is poor, the cutting surface is not smooth, the hole is rough, and the cutting efficiency is low. INVENTION CONTENTS
[0005] The technical problem to be solved by the utility model is to provide a flame cutting device for pipe opening on a cylinder, which is simple and ingenious in structure, not only greatly facilitates the operation of pipe opening, but also effectively improves the quality and efficiency of pipe opening.
[0006] To solve the above-mentioned problems, the utility model adopts the technical scheme of a flame cutting device for pipe opening on a cylinder, which comprises a cutting gun head, the cutting gun head is fixed on a gun head connecting seat, the output ends of an oxygen delivery pipe and an acetylene delivery pipe are fixedly connected with the gun head connecting seat, a connecting block is fixedly arranged outside the gun head connecting seat, an adjusting shaft is arranged on the connecting block, the adjusting shaft is perpendicular to the gun head connecting seat, an adjusting sleeve is arranged on the adjusting shaft, the adjusting sleeve is fixed with the adjusting shaft through a locking mechanism, the adjusting sleeve can move back and forth on the adjusting shaft after the locking mechanism is unlocked, a connecting rod is fixedly arranged on the adjusting sleeve, a supporting rod assembly for supporting on the cylinder is arranged on the connecting rod, the supporting rod assembly is located on the same side of the cutting gun head, the supporting rod assembly is movably arranged on the connecting rod, and the connecting rod can rotate around the supporting rod assembly.
[0007] Further, the flame cutting device for opening nozzle hole on cylinder body, wherein the mounting structure of the connecting block and the gun head connecting seat comprises: the connecting block is provided with mounting holes, the connecting block is sleeved on the gun head connecting seat through the mounting holes, threaded connecting holes are formed on the connecting block, locking bolts are arranged in the connecting holes, the locking bolts are fixed in the connecting holes and press on the gun head connecting seat to fix the connecting block and the gun head connecting seat, locking nuts are arranged on the locking bolts outside the connecting block and locked on the outer wall of the connecting block.
[0008] Further, the flame cutting device for opening nozzle hole on cylinder body, wherein the locking mechanism between the adjusting sleeve and the adjusting shaft comprises: adjusting sleeve locking holes are formed on the adjusting sleeve, locking bolts are arranged in the adjusting sleeve locking holes, the locking bolts are fixed in the adjusting sleeve locking holes and press on the adjusting shaft to fix the adjusting sleeve and the adjusting shaft, adjusting sleeve locking nuts are arranged on the locking bolts outside the adjusting sleeve and locked on the adjusting sleeve.
[0009] Further, the flame cutting device for opening nozzle hole on cylinder body, wherein the connecting rod comprises: a vertical body, the end of the vertical body is bent to form a connecting rod horizontal connecting part in the direction of the cutting gun head, and the support rod assembly is mounted on the connecting rod horizontal connecting part through a bearing.
[0010] Further, the flame cutting device for opening nozzle hole on cylinder body, wherein the support rod assembly comprises a support rod and a support sleeve, the support rod is fixed in the support sleeve, support rod locking nuts are arranged on the support rods at the two ends of the support sleeve, the support sleeve is movably mounted on the connecting rod horizontal connecting part through a bearing, the outer end of the support rod is provided with a positioning cone with a gradually decreasing diameter, and the end of the positioning cone is sharp to form a cone tip.
[0011] Further, the flame cutting device for opening nozzle hole on cylinder body, wherein the support rod close to the positioning cone outside the support sleeve is provided with a negative pressure suction disc, a negative pressure channel is arranged in the support rod, the inner end of the negative pressure channel is communicated with the negative pressure suction disc, and the outer end of the negative pressure channel is communicated with a vacuum pump through a pipeline.
[0012] The flame cutting device for opening nozzle hole on cylinder body has the following advantages: 1. The structure is simple and ingenious, accurate positioning can be realized, the cutting gun head can rotate around the cone tip to realize the cutting work of opening hole, the opening and cutting can be greatly facilitated, and the opening quality can be greatly improved, the hole is smooth and smooth, and the roundness is good. 2. The connecting structure between the adjusting sleeve and the adjusting shaft can adjust the distance between the positions cut by the cutting gun head to adapt to the hole cutting requirements of nozzles with different diameters on the cylinder body, so that the applicability of the flame cutting device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is the structure diagram of the flame cutting device for opening holes on the cylinder upper connecting pipe.
[0014] Figure 2 is Figure 1 the enlarged structure diagram of part B. PREFERRED EMBODIMENT
[0015] The flame cutting device for opening holes on the cylinder upper connecting pipe will be further described in detail below in combination with the preferred embodiment.
[0016] As Figure 1 , Figure 2 shown, the flame cutting device for opening holes on the cylinder upper connecting pipe comprises: a cutting gun head 1, the cutting gun head 1 is fixed on a gun head connecting seat 2, and the output ends of an oxygen delivery pipe 21 and an acetylene delivery pipe 22 are fixedly and sealingly connected with the gun head connecting seat 2.
[0017] In this embodiment, a connecting block 3 is fixedly arranged outside the gun head connecting seat 2, an adjusting shaft 4 is arranged on the connecting block 3, the adjusting shaft 4 is arranged perpendicularly to the gun head connecting seat 2, an adjusting sleeve 5 is arranged on the adjusting shaft 4, the adjusting sleeve 5 is fixed with the adjusting shaft 4 through a locking mechanism, and the adjusting sleeve 5 can translate back and forth on the adjusting shaft 4 after the locking mechanism is unlocked. A connecting rod 6 is fixedly arranged on the adjusting sleeve 5, a supporting rod assembly 7 for supporting on the cylinder is arranged on the connecting rod 6, the supporting rod assembly 7 is located on the same side of the cutting gun head 1, the supporting rod assembly 7 is movably arranged on the connecting rod 6, and the connecting rod 6 can rotate around the supporting rod assembly 7.
[0018] The flame cutting device further comprises an acetylene input pipe and an oxygen input pipe, the input end of the acetylene delivery pipe is connected with the acetylene input pipe, the input end of the acetylene delivery pipe is provided with an acetylene flow control valve, the input end of the oxygen delivery pipe is connected with the oxygen input pipe, the input end of the oxygen delivery pipe is provided with an oxygen flow control valve, and the acetylene input pipe and the oxygen input pipe are arranged through the handle sleeve. This part of structure is the structure of the traditional flame cutting device, so the detailed description will not be expanded in this embodiment.
[0019] In this embodiment, the mounting structure of the connecting block 3 and the gun head connecting seat 2 comprises: a mounting hole 31 is arranged on the connecting block 3, and the connecting block 3 is sleeved outside the gun head connecting seat 2 through the mounting hole 31. A threaded connecting hole 32 is formed in the connecting block 3, a locking bolt 33 is arranged in the connecting hole 32, the locking bolt 33 is threadedly fixed in the connecting hole 32 and presses on the gun head connecting seat 2, so as to fix the connecting block 3 and the gun head connecting seat 2, and a locking nut 34 is further arranged on the locking bolt 33 outside the connecting block 3, and the locking nut 34 is locked and clamped on the outer wall of the connecting block 3. The mounting structure of the connecting block 3 and the gun head connecting seat 2 is very simple and convenient to install.
[0020] The locking mechanism between the adjusting sleeve 5 and the adjusting shaft 4 comprises: the adjusting sleeve 5 is provided with an adjusting sleeve locking hole 51, a fastening bolt 52 is arranged in the adjusting sleeve locking hole 51, the fastening bolt 52 is threadedly fixed in the adjusting sleeve locking hole 51 and is pressed against the adjusting shaft 4 so as to fix the adjusting sleeve 5 and the adjusting shaft 4, and the fastening bolt 52 outside the adjusting sleeve 5 is provided with an adjusting sleeve locking nut 53, and the adjusting sleeve locking nut 53 is locked and clamped on the adjusting sleeve 5. The adjusting sleeve locking nut 53 is unscrewed in reverse, and then the fastening bolt 52 is unscrewed, so that the adjusting sleeve 5 is in an unlocked state, and the adjusting sleeve 5 can move back and forth on the adjusting shaft 4.
[0021] In the embodiment, the connecting rod 6 comprises: a vertical body 61, and an end of the vertical body 61 is bent to form a connecting rod horizontal connecting portion 62 in the direction of the cutting gun head 1, and the support rod assembly 7 is mounted on the connecting rod horizontal connecting portion 62 through the bearing 8.
[0022] The support rod assembly 7 comprises a support rod 71 and a support sleeve 72, the support rod 71 is threadedly fixed in the support sleeve 72, the support rod 71 at two ends of the support sleeve 72 is provided with a support rod locking nut 75, the support sleeve 72 is movably mounted on the connecting rod horizontal connecting portion 62 through the bearing 8, and the outer end of the support rod 71 is provided with a positioning taper 711 with a gradually decreasing diameter, and the end of the positioning taper 711 is sharp to form a taper tip 712. The support rod 71 is threadedly fixed in the support sleeve 72, and the purpose is to adjust the relative position of the support rod in the support sleeve 72, so as to better cooperate with the cutting of the cutting gun head 1.
[0023] In addition, in the embodiment, the support rod 71 outside the support sleeve 72 close to the positioning taper 711 is provided with a negative pressure suction disc 74, and the support rod 71 is provided with a negative pressure channel 73 inside, the inner end of the negative pressure channel 73 is communicated with the negative pressure suction disc 74, and the outer end of the negative pressure channel 73 is communicated with a vacuum pump through a pipeline. The negative pressure suction disc 74 is arranged, and the purpose is to ensure that the taper tip 712 is not displaced after positioning, so as to greatly facilitate the cutting. The adjusting sleeve 5 moves back and forth on the adjusting shaft 4, and the purpose is to adjust the distance A between the taper tip 712 and the cutting position of the cutting gun head 1, so as to adapt to the hole cutting requirements of the pipes with different diameters on the cylinder.
[0024] The working principle is as follows: according to the setting position of the connecting pipe, the center of the connecting pipe is determined first, then the position of the adjusting sleeve 5 on the adjusting shaft 4 is adjusted according to the radius of the connecting pipe, the distance A between the tip 712 of the positioning cone 711 and the cutting position of the cutting torch head 1 is ensured to be the radius of the connecting pipe, then the tip 712 of the positioning cone 711 is pressed on the center of the connecting pipe, the vacuum pump works to make the vacuum chuck 74 adsorbed on the cylinder body, so that the positioning cone 711 is fixed with the cylinder body, and then the cutting torch head 1 rotates around the tip 712 for one circle to complete the opening work of the connecting pipe position on the cylinder body. The whole cutting work is very smooth, the cut is smooth, and the opening efficiency is greatly improved.
[0025] The utility model discloses the advantages are as follows: 1, simple and ingenious structure can be positioned accurately, and can make cutting torch head 1 rotate around the tip 712 and realize the cutting work of opening, not only can greatly facilitate opening cutting, but also can greatly improve the opening quality, and the orifice is smooth and smooth, and the roundness is good. 2, the connecting structure between adjusting sleeve 5 and adjusting shaft 4 can adjust the distance A between the cutting position of cutting torch head 1, to adapt to the hole cutting requirement of the connecting pipe of different diameters on the cylinder body, thereby greatly improving the applicability of the flame cutting device.
Claims
1. A flame cutting apparatus for opening a hole in a shell for a nozzle, comprising: The cutting torch is fixed on the torch connecting seat, and the output ends of the oxygen delivery pipe and the acetylene delivery pipe are fixedly connected with the torch connecting seat in a sealed manner, characterized in that: a connecting block is fixedly arranged outside the torch connecting seat, an adjusting shaft is arranged on the connecting block and is perpendicular to the torch connecting seat, an adjusting sleeve is arranged on the adjusting shaft, the adjusting sleeve is fixed with the adjusting shaft through a locking mechanism, the adjusting sleeve can move back and forth on the adjusting shaft after the locking mechanism is unlocked, a connecting rod is fixedly arranged on the adjusting sleeve, a support rod assembly for supporting the cylinder is arranged on the connecting rod, and the support rod assembly is arranged on the same side of the cutting torch and movably arranged on the connecting rod.
2. The flame cutting apparatus for opening a hole for an upper connection pipe of a cylinder according to claim 1, characterized in that: The mounting structure of the connecting block and the torch connecting seat comprises: a mounting hole is arranged on the connecting block, the connecting block is sleeved outside the torch connecting seat through the mounting hole, a threaded connecting hole is formed in the connecting block, a locking bolt is arranged in the connecting hole, the locking bolt is threadedly fixed in the connecting hole and is pressed against the torch connecting seat to fix the connecting block and the torch connecting seat, and a locking nut is further arranged on the locking bolt outside the connecting block and is locked and clamped on the outer wall of the connecting block.
3. The flame cutting apparatus for opening a hole for an upper connection pipe of a cylinder as set forth in claim 2, wherein: The locking mechanism between the adjusting sleeve and the adjusting shaft comprises: an adjusting sleeve locking hole is formed in the adjusting sleeve, a fastening bolt is arranged in the adjusting sleeve locking hole, the fastening bolt is threadedly fixed in the adjusting sleeve locking hole and is pressed against the adjusting shaft to fix the adjusting sleeve and the adjusting shaft, and an adjusting sleeve locking nut is arranged on the fastening bolt outside the adjusting sleeve and is locked and clamped on the adjusting sleeve.
4. The flame cutting apparatus for opening a hole for an upper connection pipe of a cylinder as set forth in claim 2, wherein: The connecting rod comprises: A vertical body, the end of the vertical body is bent in the direction of the cutting torch to form a connecting rod horizontal connecting part, and the support rod assembly is mounted on the connecting rod horizontal connecting part through a bearing.
5. The flame cutting apparatus for opening a hole for an upper connection pipe of a cylinder as defined in claim 4, wherein: The support rod assembly comprises a support rod and a support sleeve, the support rod is threadedly fixed in the support sleeve, support rod locking nuts are arranged on the support rods at the two ends of the support sleeve, the support sleeve is movably mounted on the connecting rod horizontal connecting part through a bearing, the outer end of the support rod is provided with a positioning cone with a gradually decreasing diameter, and the end of the positioning cone is sharp to form a cone tip.
6. The flame cutting apparatus for opening a hole for an upper connection pipe of a cylinder according to claim 5, characterized in that: A negative pressure suction disc is arranged on the support rod outside the support sleeve close to the positioning cone, a negative pressure channel is arranged in the support rod, the inner end of the negative pressure channel is communicated with the negative pressure suction disc, and the outer end of the negative pressure channel is communicated with a vacuum pump through a pipeline.