CN216858698U - Novel automatic welding head for pipe orifice - Google Patents
Novel automatic welding head for pipe orifice Download PDFInfo
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- CN216858698U CN216858698U CN202220156207.8U CN202220156207U CN216858698U CN 216858698 U CN216858698 U CN 216858698U CN 202220156207 U CN202220156207 U CN 202220156207U CN 216858698 U CN216858698 U CN 216858698U
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- threaded sleeve
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Abstract
The utility model relates to the technical field of heat exchanger welding, and discloses a novel automatic pipe orifice welding head which comprises a fixed frame and a plurality of heat exchange pipes horizontally arranged on the front end surface of the fixed frame, wherein a welding mechanism is arranged in one of the heat exchange pipes; the welding mechanism comprises a welding head, and the welding head is arranged inside the heat exchange tube; the outer side wall of the welding head is provided with four conical holes with the same size; the inner side wall of the welding head is provided with four circular holes with the same size, and the four conical holes are communicated with the four circular holes respectively; the inner cavity of the welding head is provided with a communicating pipe, one side of the welding head, which is far away from the heat exchange pipe, is provided with two clamping blocks, and the two clamping blocks are provided with fixing bolts for fixing the position of the communicating pipe inside the welding head; one side of the communicating pipe, which is far away from the welding head, is provided with a threaded pipe, the outer side wall of the threaded pipe is provided with partial external threads, one end, positioned on the partial threads, of the threaded pipe is provided with a threaded sleeve, and the threaded sleeve is sleeved outside the threaded pipe. Thus greatly improving the effect of weld joint forming.
Description
Technical Field
The utility model relates to the technical field of heat exchanger welding, in particular to a novel automatic pipe orifice welding head.
Background
In the fields of chemical industry, medicine, petroleum and the like, a heat exchanger plays an important role in production, the application is very important, in the manufacture of the heat exchanger, the welding of a heat exchange tube and a tube plate is the most important control point, and the accident of shutdown repair of the whole production line is often caused due to the leakage of a fillet weld of the heat exchange tube and the tube plate.
When the normal pipe orifice is automatically welded, purified water is needed for cooling, if the cooling is not good, the quality of a welding line is poor, and the forming is unsightly. The welding seam is often bluish when the titanium material is welded by pure water cooling, which leads to poor welding seam quality and short service life of equipment. Therefore, argon cooling is changed, the weld joint is formed well, the quality is good, and if argon cooling is used, a special welding head is required.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel automatic welding head for a pipe orifice, which solves the problems in the background technology.
In order to solve the problems, the utility model adopts the following technical scheme: a novel automatic pipe orifice welding head comprises a fixing frame and a plurality of heat exchange pipes horizontally arranged on the front end face of the fixing frame, wherein a welding mechanism is arranged inside one of the heat exchange pipes;
the welding mechanism comprises a welding head, and the welding head is arranged inside the heat exchange tube; the outer side wall of the welding head is provided with four conical holes with the same size; the inner side wall of the welding head is provided with four circular holes with the same size, and the four conical holes are communicated with the four circular holes respectively;
a communicating pipe is arranged in the inner cavity of the welding head, two fixture blocks are arranged on one side of the welding head away from the heat exchange pipe, and fixing bolts for fixing the position of the communicating pipe in the welding head are arranged on the two fixture blocks;
a threaded pipe is installed on one side, away from the welding head, of the communicating pipe, partial external threads are arranged on the outer side wall of the threaded pipe, a threaded sleeve is arranged at one end, located on the partial threads, of the threaded pipe, and the threaded sleeve is sleeved outside the threaded pipe; and an air inlet pipe is sleeved in the threaded sleeve.
Preferably, one end of the air inlet pipe is matched with the inner cavity of the threaded sleeve, and the diameter values of the two ends of the air inlet pipe are the same.
Preferably, the air inlet pipe, the threaded sleeve, the threaded pipe, the communicating pipe and the welding head are communicated with each other, and the air inlet pipe, the threaded sleeve, the threaded pipe, the communicating pipe and the welding head are sealed at the joint through sealing gaskets.
Preferably, the outer side wall of the threaded sleeve is provided with anti-skidding threads, an internal thread is arranged inside the threaded sleeve, and the internal thread on the threaded sleeve is matched with the external thread on the threaded pipe.
Preferably, the communicating pipe is provided with two limiting holes matched with one end of the fixing bolt, and the limiting holes are not communicated with the inside of the communicating pipe.
The welding head has the advantages that the communicating pipe can be effectively and fixedly arranged inside the welding head through the arrangement of the clamping block and the fixing bolt, the threaded pipe and the air inlet pipe can be effectively connected together through the arrangement of the threaded sleeve, and meanwhile, the four conical holes and the four circular holes inside the welding head are conveyed out and used for cooling a welding seam, so that a better welding seam cooling effect is achieved, the problem of poor welding seam forming quality is avoided, and a better welding seam forming effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side view of a bonding tool according to the present invention;
FIG. 3 is a schematic view of a threaded sleeve according to the present invention;
FIG. 4 is a schematic view of a weld head according to the present invention;
FIG. 5 is an internal schematic view of a bonding tool according to the present invention;
fig. 6 is a schematic cross-sectional view of a bonding tool according to the present invention.
The reference numbers in the figures illustrate: 1. a fixed mount; 2. a heat exchange pipe; 3. a welding head; 4. a tapered hole; 5. a circular hole; 6. a communicating pipe; 7. a clamping block; 8. fixing the bolt; 9. a threaded pipe; 10. a threaded sleeve; 11. an air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a novel automatic nozzle welding head comprises a fixing frame 1 and a plurality of heat exchange tubes 2 horizontally arranged on the front end surface of the fixing frame 1, wherein a welding mechanism is arranged inside one heat exchange tube 2; the welding mechanism comprises a welding head 3, and the welding head 3 is arranged inside the heat exchange tube 2; the outer side wall of the welding head 3 is provided with four conical holes 4 with the same size; the inner side wall of the welding head 3 is provided with four circular holes 5 with the same size, and the four conical holes 4 are communicated with the four circular holes 5 respectively; a communicating pipe 6 is arranged in the inner cavity of the welding head 3, two fixture blocks 7 are arranged on one side of the welding head 3 away from the heat exchange pipe 2, and fixing bolts 8 for fixing the position of the communicating pipe 6 in the welding head 3 are arranged on the two fixture blocks 7; a threaded pipe 9 is installed on one side, away from the welding head 3, of the communicating pipe 6, a partial external thread is arranged on the outer side wall of the threaded pipe 9, a threaded sleeve 10 is arranged at one end, located on the partial thread, of the threaded pipe 9, and the threaded sleeve 10 is sleeved outside the threaded pipe 9; an air inlet pipe 11 is sleeved inside the threaded sleeve 10.
Wherein, the one end of intake pipe 11 and the inner chamber phase-match of thread bush 10, and the diameter value size at intake pipe 11 both ends is the same, and its effect is convenient for guarantee that intake pipe 11 can get into the inside of thread bush 10 smoothly better.
Wherein, the inside of intake pipe 11, thread bush 10, screwed pipe 9, communicating pipe 6 and bonding tool 3 all link up each other, and all seal its junction through seal ring between intake pipe 11, thread bush 10, screwed pipe 9, communicating pipe 6 and the bonding tool 3, and its effect is all link up each other through the inside of intake pipe 11, thread bush 10, screwed pipe 9, communicating pipe 6 and bonding tool 3, has realized carrying the mouth of a pipe department of heat exchange tube 2 with the argon gas.
Wherein, the lateral wall of thread bush 10 is provided with anti-skidding line, and the inside of thread bush 10 is provided with the internal thread, and the internal thread on the thread bush 10 and the external screw thread phase-match on the screwed pipe 9, and its lateral wall that is used for through thread bush 10 is provided with anti-skidding line, and the staff of being convenient for rotates it, and the internal thread on the thread bush 10 and the external screw thread phase-match on the screwed pipe 9 are used for simultaneously, can be in the same place the stable connection of screwed pipe 9 and thread bush 10.
Wherein, set up two spacing holes with 8 one end assorted of fixing bolt on communicating pipe 6, and spacing hole is not linked together with the inside of communicating pipe 6, and its setting through two spacing holes of effect has realized that the one end of fixing bolt 8 can get into the inside of spacing hole and has played stable fixed action to communicating pipe 6 inside 3 welding head.
When in work, firstly, the welding head 3 with corresponding size is selected according to the size of the inner diameter of the heat exchange tube 2, then one end of the communicating tube 6 is inserted into the welding head 3, then the fixing bolt 8 on the fixture block 7 is rotated anticlockwise, the limiting hole corresponds to one end of the fixing bolt 8 in the rotating process, meanwhile, one end of the fixing bolt 8 enters the interior of the limiting hole on the communicating pipe 6, so that the position of the communicating pipe 6 is stably fixed, then the threaded sleeve 10 is installed on the threaded pipe 9 by rotating the threaded sleeve 10 counterclockwise, the air inlet pipe 11 is installed inside the threaded sleeve 10, then the other end of the air inlet pipe 11 is connected with an external device, then the argon gas is conveyed to the interior of the welding head 3 by external equipment through the gas inlet pipe 11, the threaded sleeve 10, the threaded pipe 9 and the communicating pipe 6 in turn, at the same time, the weld seam is conveyed out through the four conical holes 4 and the four circular holes 5 in the welding head 3 and cooled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A novel automatic pipe orifice welding head comprises a fixing frame (1) and a plurality of heat exchange pipes (2) horizontally arranged on the front end face of the fixing frame (1), and is characterized in that a welding mechanism is arranged inside one of the heat exchange pipes (2);
the welding mechanism comprises a welding head (3), and the welding head (3) is arranged inside the heat exchange tube (2); the outer side wall of the welding head (3) is provided with four conical holes (4) with the same size; the inner side wall of the welding head (3) is provided with four circular holes (5) with the same size, and the four conical holes (4) are communicated with the four circular holes (5) respectively;
a communicating pipe (6) is installed in the inner cavity of the welding head (3), two clamping blocks (7) are installed on one side, far away from the heat exchange pipe (2), of the welding head (3), and fixing bolts (8) used for fixing the position of the communicating pipe (6) inside the welding head (3) are installed on the two clamping blocks (7);
a threaded pipe (9) is mounted on one side, away from the welding head (3), of the communicating pipe (6), partial external threads are arranged on the outer side wall of the threaded pipe (9), a threaded sleeve (10) is arranged at one end, located on the partial threads, of the threaded pipe (9), and the threaded sleeve (10) is sleeved outside the threaded pipe (9); an air inlet pipe (11) is sleeved in the threaded sleeve (10).
2. The new automatic nozzle welder as claimed in claim 1, wherein one end of the air inlet pipe (11) is matched with the inner cavity of the threaded sleeve (10), and the diameter values of the two ends of the air inlet pipe (11) are the same.
3. The novel automatic nozzle welding head according to claim 1, wherein the air inlet pipe (11), the threaded sleeve (10), the threaded pipe (9), the communicating pipe (6) and the welding head (3) are communicated with each other, and the joints of the air inlet pipe (11), the threaded sleeve (10), the threaded pipe (9), the communicating pipe (6) and the welding head (3) are sealed through sealing gaskets.
4. The new type of automatic nozzle welder according to claim 1, characterized in that the outer side wall of said threaded sleeve (10) is provided with anti-slip threads, and the inside of said threaded sleeve (10) is provided with internal threads, and the internal threads on said threaded sleeve (10) match the external threads on said threaded pipe (9).
5. The novel automatic nozzle welding head according to claim 1, wherein two limiting holes matched with one end of the fixing bolt (8) are formed in the communicating pipe (6), and the limiting holes are not communicated with the inside of the communicating pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156207.8U CN216858698U (en) | 2022-01-20 | 2022-01-20 | Novel automatic welding head for pipe orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156207.8U CN216858698U (en) | 2022-01-20 | 2022-01-20 | Novel automatic welding head for pipe orifice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216858698U true CN216858698U (en) | 2022-07-01 |
Family
ID=82153774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220156207.8U Active CN216858698U (en) | 2022-01-20 | 2022-01-20 | Novel automatic welding head for pipe orifice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216858698U (en) |
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2022
- 2022-01-20 CN CN202220156207.8U patent/CN216858698U/en active Active
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