CN217990536U - Steel pipe inner boss jacking device - Google Patents
Steel pipe inner boss jacking device Download PDFInfo
- Publication number
- CN217990536U CN217990536U CN202121132441.9U CN202121132441U CN217990536U CN 217990536 U CN217990536 U CN 217990536U CN 202121132441 U CN202121132441 U CN 202121132441U CN 217990536 U CN217990536 U CN 217990536U
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- China
- Prior art keywords
- die
- hole
- steel pipe
- positioning
- outer die
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a steel pipe machining equipment technical field, in particular to top boss device in steel pipe. The die core oil cylinder is provided with a bracket, an outer die, a die core oil cylinder and a positioning rod, wherein the outer die is fixed on the bracket, a circular through hole with a horizontal axis is formed in the outer die, the cylindrical die core oil cylinder is assembled in the circular through hole, the center of the top end of the outer die is provided with the positioning through hole, and the positioning rod is assembled in the positioning through hole. The utility model discloses can be at the ejecting boss of optional position trompil of steel pipe. The processing is convenient, the welding of intersecting lines on the outer wall of the steel pipe is avoided, and the welding deformation is small.
Description
Technical Field
The utility model relates to a steel pipe machining equipment technical field, in particular to top boss device in steel pipe.
Background
In practical application, the steel pipe is required to extend out of a branch pipe on the pipe wall. Most of the processing methods in the market at present are to punch holes on steel pipes, cut the end parts of flanges or steel pipes to be welded into the shape of intersecting lines and weld the flanges or the end parts with a main pipe, but the welding mode has several defects:
1. the welding form is all-position welding, the requirement on welding workers is high, and leakage is easy to occur.
2. The flange and the steel pipe can be welded only by processing into intersecting line shapes, and the intersecting line welding difficulty is high, so that the requirement on workers is high.
3. The steel pipe has large welding deformation.
The boss drawing device can only perform boss processing operation at the two end positions of the steel pipe, and is difficult to process the steel pipe near the middle position.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, provide a top boss device in steel pipe.
Realize the utility model discloses the technical scheme of purpose is: a boss pushing device in a steel pipe comprises a bracket, an outer die, a die core oil cylinder and a positioning rod, wherein the outer die is fixed on the bracket, a circular through hole with a horizontal axis is formed in the outer die, the cylindrical die core oil cylinder is assembled in the circular through hole, the positioning through hole is formed in the center of the top end of the outer die, and the positioning rod is assembled in the positioning through hole.
Furthermore, the outer die is divided into an upper outer die and a lower outer die along the horizontal plane of the center of the outer die, and the upper outer die and the lower outer die are fastened through a plurality of bolts.
Further, the mold core oil cylinder comprises a cylinder cover, a cylinder body, a piston rod and a mold head, the cylinder cover is fixed on the cylinder body in a sealing mode, the piston rod protrudes out of the center of the top end of the cylinder cover in a sealing mode and is arranged under the positioning rod, the mold head is fixed to the top end of the piston rod, and the top end of the mold head is in clearance fit with the bottom end of the positioning rod.
Furthermore, one end of the bracket is provided with a roller, the other end of the bracket is provided with an oil cylinder positioning seat, and the oil cylinder positioning seat and the right end face of the mold core oil cylinder are fixed.
Furthermore, an auxiliary positioning plate extends outwards from the top end of the upper outer die along the axis direction of the circular through hole, and an auxiliary positioning hole is formed in the outer end of the auxiliary positioning plate.
Furthermore, the positioning through holes are inverted funnel-shaped, and a circle of chamfer is arranged on the intersecting line of the positioning through holes and the circular through holes.
Further, the upper end of the die head is in an inverted funnel shape.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) The utility model discloses can be at the ejecting boss of optional position trompil of steel pipe.
(2) The utility model discloses processing is convenient, has avoided carrying out the welding of intersecting line on the steel pipe outer wall, and welded deflection is less.
Drawings
In order that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the outer mold structure;
FIG. 3 is a schematic view of a mold core cylinder structure;
FIG. 4 is an assembled elevation view of the outer mold and core cylinder;
FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an assembled side view of the outer mold and core cylinder;
FIG. 7 is a sectional view taken along line B-B;
fig. 8 is a schematic view of the present invention.
Detailed Description
See fig. 1, fig. 2, the utility model discloses have bracket 1, external mold 2, mold core hydro-cylinder 3 and locating lever 4, be fixed with external mold 2 on the bracket 1, the circular through-hole 21 that has the axis level to set up is seted up in the external mold 2, is equipped with the mold core hydro-cylinder 3 of cylinder form in the circular through- hole 21, and 2 top central point of external mold puts and opens there is positioning hole 22, is equipped with locating lever 4 in the positioning hole 22. The outer die 2 is divided into an upper outer die 23 and a lower outer die 24 along the horizontal plane of the center of the outer die, and the upper outer die 23 and the lower outer die 24 are fastened through a plurality of bolts. One end on the bracket 1 is provided with a roller 11, the other end of the bracket 1 is provided with an oil cylinder positioning seat 12, and the oil cylinder positioning seat 12 and the right end face of the mold core oil cylinder 3 are fixed.
Referring to fig. 3 to 7, the mold core cylinder 3 includes a cylinder cover 31, a cylinder body 32, a piston rod 33 and a mold head 34, the cylinder cover 31 is fixed on the cylinder body 32 in a sealing manner, the piston rod 33 protrudes out of the center of the top end of the cylinder cover 31 in a sealing manner and is arranged right below the positioning rod 4, the mold head 34 is fixed at the top end of the piston rod 33, and the top end of the mold head 34 is in clearance fit with the bottom end of the positioning rod 4. An auxiliary positioning plate 25 extends outwards from the top end of the upper outer die 23 along the axial direction of the circular through hole 21, and an auxiliary positioning hole 251 is arranged at the outer end of the auxiliary positioning plate 25. The positioning through hole 22 is in an inverted funnel shape, and a circle of chamfer is arranged on the intersecting line of the positioning through hole 22 and the circular through hole 21. The upper end of die 34 is inverted funnel shaped.
The utility model discloses a theory of operation does:
1. punching the steel pipe according to the specified size;
2. putting the steel pipe into the external mold 2, and putting the mold core oil cylinder 3 into the steel pipe;
3. the positioning rod 4 is used for ensuring that the punching position of the steel pipe is concentric with an ejection die of the die core oil cylinder 3;
4. after the concentricity is adjusted, the bolt of the outer die 2 is fixed;
5. ejecting the die head 34 in the oil cylinder 3 out of the hole position by using a hydraulic station;
6. when the die head 34 is fully ejected, the hydraulic station is operated in reverse to eject the die head 34;
7. and (4) disassembling the bolts of the outer die 2, taking out the die core oil cylinder 3, or adjusting to other holes to continue jacking the holes.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a top boss device in steel pipe which characterized in that: the die is provided with a bracket (1), an outer die (2), a die core oil cylinder (3) and a positioning rod (4), wherein the outer die (2) is fixed on the bracket (1), a circular through hole (21) with a horizontally arranged axis is formed in the outer die (2), the cylindrical die core oil cylinder (3) is assembled in the circular through hole (21), a positioning through hole (22) is formed in the center position of the top end of the outer die (2), and the positioning rod (4) is assembled in the positioning through hole (22).
2. The steel pipe inner top boss device according to claim 1, characterized in that: the outer die (2) is equally divided into an upper outer die (23) and a lower outer die (24) along the horizontal plane of the center of the outer die, and the upper outer die (23) and the lower outer die (24) are fastened through a plurality of bolts.
3. The steel pipe inner top boss device according to claim 1 or 2, characterized in that: mold core hydro-cylinder (3) are including cylinder cap (31), cylinder body (32), piston rod (33) and die head (34), cylinder cap (31) is sealed to be fixed on cylinder body (32), piston rod (33) are sealed outstanding in cylinder cap (31) top central point and are put, set up under locating lever (4), piston rod (33) top is fixed with die head (34), die head (34) top with the bottom clearance fit of locating lever (4).
4. The steel pipe inner top boss device according to claim 3, characterized in that: one end on the bracket (1) is provided with a roller (11), the other end of the bracket (1) is provided with an oil cylinder positioning seat (12), and the oil cylinder positioning seat (12) is fixed with the right end face of the mold core oil cylinder (3).
5. The steel pipe inner top boss device according to claim 2, characterized in that: an auxiliary positioning plate (25) extends outwards from the top end of the upper outer die (23) along the axis direction of the circular through hole (21), and an auxiliary positioning hole (251) is formed in the outer end of the auxiliary positioning plate (25).
6. The steel pipe inner top boss device according to claim 5, characterized in that: the positioning through hole (22) is inverted funnel-shaped, and a circle of chamfer is arranged on the intersecting line of the positioning through hole (22) and the circular through hole (21).
7. The steel pipe inner top boss device according to claim 3, characterized in that: the upper end of the die head (34) is in an inverted funnel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121132441.9U CN217990536U (en) | 2021-05-25 | 2021-05-25 | Steel pipe inner boss jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121132441.9U CN217990536U (en) | 2021-05-25 | 2021-05-25 | Steel pipe inner boss jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217990536U true CN217990536U (en) | 2022-12-09 |
Family
ID=84287249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121132441.9U Expired - Fee Related CN217990536U (en) | 2021-05-25 | 2021-05-25 | Steel pipe inner boss jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217990536U (en) |
-
2021
- 2021-05-25 CN CN202121132441.9U patent/CN217990536U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |