CN110586779B - Bulging tool for isolating pipe of high-pressure cooler - Google Patents
Bulging tool for isolating pipe of high-pressure cooler Download PDFInfo
- Publication number
- CN110586779B CN110586779B CN201910947547.5A CN201910947547A CN110586779B CN 110586779 B CN110586779 B CN 110586779B CN 201910947547 A CN201910947547 A CN 201910947547A CN 110586779 B CN110586779 B CN 110586779B
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- China
- Prior art keywords
- pressure
- bearing rod
- pin
- adjusting wheel
- jacking pin
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- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 description 12
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
Abstract
The invention relates to a bulging tool for a high-pressure cooler isolation tube, wherein a left adjusting wheel (1) is arranged in an opening groove on the left side of a support main body (2), a left jacking pin (3) is arranged in a threaded hole in the center of the left adjusting wheel (1), a right adjusting wheel (4) is arranged on the right side of the support main body (2), a right jacking pin (5) is arranged in a threaded hole in the center of the right adjusting wheel (4), a pressure-bearing rod (6) is arranged between the left jacking pin (3) and the right jacking pin (5), a V-shaped inclined plane e at the front end of the left jacking pin (3) is attached to a left V-shaped inclined plane m of the pressure-bearing rod (6), and a V-shaped inclined plane f at the front end of the right jacking pin (5) is attached to a right V-shaped inclined plane n of the pressure-bearing rod (6). The invention promotes the pressure-bearing rod to expand the isolation tube into a round shape. The expansion pipe has the advantages of good safety, high efficiency, accurate shape and position, no burrs and the like.
Description
Technical field:
the invention relates to a bulging tool for an isolation tube of a high-pressure cooler, which is applied to the field of bulging of the isolation tube in a flange plate of the high-pressure cooler.
The background technology is as follows:
the isolating pipe structure is characterized in that a waist hole is formed in the middle of the isolating pipe, the waist hole is in an arc shape and is convenient for cooling water to flow smoothly, the isolating pipe is arranged in the flange, the traditional process method is to extrude the isolating pipe by using a flat punch, as shown in fig. 1, the flat punch is provided with two symmetrical planes, the flat punch is inserted into the waist hole of the isolating pipe from the water inlet hole of the end face of the flange, and is manually and repeatedly rotated to extrude, so that the flat punch with a plurality of sizes is extruded to the final size. Because the flat punch is arranged inside the flange plate, the flat punch structure is thin, the risk of breakage exists when the flat punch head is repeatedly rotated and extruded, and once the flat punch head is broken, the flat punch head is difficult to take out, and the whole flange plate can be scrapped.
The invention comprises the following steps:
the invention relates to a bulging tool for an isolation pipe of a high-pressure cooler, which has the advantages of good safety and high efficiency, and can finish stable and rapid expansion forming of the isolation, and the technical scheme of the invention is as follows: a bulging tool for a high-pressure cooler isolation tube comprises a left adjusting wheel (1), a right adjusting wheel (4), a left jacking pin (3), a right jacking pin (5), a bearing rod (6), a support main body (2) and a double-ended wrench (8), wherein the left adjusting wheel (1) is installed in an opening groove on the left side of the support main body (2), the left jacking pin (3) is installed in a threaded hole in the center of the left adjusting wheel (1), the right adjusting wheel (4) is installed on the right side of the support main body (2), the right jacking pin (5) is installed in a threaded hole in the center of the right adjusting wheel (4), the bearing rod (6) is arranged between the left jacking pin (3) and the right jacking pin (5), a V-shaped inclined plane e at the front end of the left jacking pin (3) is attached to a V-shaped inclined plane n on the right side of the bearing rod (6), a symmetrical plane c of the left jacking pin (3) is attached to a plane a of an opening groove a of the support main body (2), and two planes d of the two symmetrical jacking pins (5) are attached to two planes of the support main body (2). The tail part of the left jacking pin (3) is provided with M16x0.8-left-handed threads, the front end of the left jacking pin (3) is provided with 74-degree symmetrical inclined planes, the tail part of the right jacking pin (5) is provided with M16x0.8-right-handed threads, and the front end of the right jacking pin (5) is provided with 74-degree symmetrical inclined planes. The center of the left adjusting wheel (1) is provided with M16x 0.8-left-handed screw holes, the outer circumference of the left adjusting wheel is uniformly distributed with 12 phi 9 blind holes, the center of the right adjusting wheel (4) is provided with M16x 0.8-right-handed screw holes, and the outer circumference of the right adjusting wheel is uniformly distributed with 12 phi 9 blind holes. The two sides of the lower end of the pressure-bearing rod (6) are provided with a 74-degree V-shaped inclined plane m and a 74-degree V-shaped inclined plane n which are symmetrical, the pressure-bearing rod (6) is of a split structure, the upper end of the pressure-bearing rod is connected with the two parts of the pressure-bearing rod into a whole through a screw, and the outer surface of the lower end of the pressure-bearing rod (6) is arc-shaped. The materials of the components in the left jacking pin (3), the right jacking pin (5) and the bearing rod (6) mounting flange plate (9) are 20CrMnTi materials, and the surface carburization is 0.8mm.
The working principle of the invention is as follows:
the invention consists of a left adjusting wheel (1), a right adjusting wheel (4), a left jacking pin (3), a right jacking pin (5), a pressure-bearing rod (6), a bracket main body (2) and a double-ended wrench (8), wherein the left end of the bracket main body (2) is provided with the left jacking pin (3), the symmetrical plane of the left jacking pin (3) is arranged in an open slot a of the bracket main body (2), the front end of the left jacking pin (3) is inserted into an inner hole of an isolating pipe (7), the left jacking pin (3) is limited by the open slot and can not rotate, and can only axially move, and in the same way, the right jacking pin (5) at the right end of the bracket main body (2) can only axially move, the left adjusting wheel (1) is matched with the left jacking pin (3) through left-handed threads, the right adjusting wheel (4) can only rotationally move in the open slot of the bracket main body (2) and can not transversely move, and can only axially move at the inclined plane (74 degrees) of the left jacking pin (4) and the right jacking pin (4) at the same time, and the inclined plane (74 degrees) can be symmetrically matched with the front end (6) of the left jacking pin (4) at the inclined plane (4) at the same time, the left jacking pin (3) and the right jacking pin (5) can simultaneously move outwards or inwards to expand or shrink the appearance of the pressure-bearing rod (6), so that the waist Kong Zhang of the isolation tube (7) is round. The materials of the components in the left jacking pin (3), the right jacking pin (5) and the bearing rod (6) mounting flange plate (9) are 20CrMnTi materials, and the surface carburization is 0.8mm.
The invention fundamentally changes the working principle of bulging, utilizes inclined plane relative motion extrusion fit to change the motion direction of the pressure-bearing rod (6), thereby supporting the waist hole of the isolation tube (7), and deforming the waist hole of the isolation tube (7) into the shape of the outer surface of the pressure-bearing rod (6), and the outer surface of the pressure-bearing rod (6) is arc-shaped. The pressure-bearing rod (6) does not do friction movement with the isolation tube (7) and only has mutual left and right pressure, so burrs cannot occur, and the pressure-bearing rod has outstanding progress compared with the prior flat punch tool.
The invention has the technical effects that:
firstly, the pressure-bearing rod (6) is used for vector measurement and support, so that the isolation tube (7) is expanded and deformed, the inner wall in the opening groove of the isolation tube (7) cannot be rubbed, only the simple extrusion deformation is carried out, and the extrusion burrs cannot be generated.
Secondly, the left jacking pin (3), the right jacking pin (5) and the bearing rod (6) are made of 20CrMnTi materials for installing the parts inside the flange plate (9), and the materials are high in surface hardness, good in wear resistance and good in internal toughness and are not easy to fracture, so that the fracture risk is eliminated through the structure, and all tools can be completely taken out according to the open design structure even if fracture occurs due to operation overstress.
Third, overall structure is open structure, and left regulating wheel (1), right regulating wheel (4), left roof pressure round pin (3) and right roof pressure round pin (5) are installed in the open slot of support main part (2), have quick installation and dismantlement's function, and this kind of structure clamping just can be with the expansion of isolation tube (7) to required size once, and efficiency can promote by a wide margin, accomplish stable, quick expansion shaping to the isolation.
Fourth, in the blind hole of phi 9 on the excircle of left regulating wheel (1) is installed to the cylindrical head of bipitch (8), the other end cylindrical head of bipitch (8) is installed in the blind hole of phi 9 on the excircle of right regulating wheel (4), when rotating the handle of bipitch (8), can make left regulating wheel (1) and right regulating wheel (4) the syntropy rotate simultaneously, left roof pressure round pin (3) and right roof pressure round pin (5) can be simultaneously relatively inwards moved, the effectual shape that avoids isolating tube (7) after the atress is inhomogeneous leads to inflation is out of round, the center of position skew isolating tube (7).
Fifthly, 74-degree inclined plane matching is arranged between the left jacking pin (3), the right jacking pin (5) and the pressure-bearing rod (6), the distance of each rotation of the left jacking pin (3) and the right jacking pin (5) is 0.8mm, the expansion distance of the pressure-bearing rod (6) is about 1.2mm according to the Pythagorean theorem, and the expansion size can be calculated according to the rotation cycle number of the left jacking pin (3) and the right jacking pin (5).
Drawings
FIG. 1 is a schematic view of a prior art structure
Figure 2 is a perspective view of the mounting shaft of the bulging tool for isolating pipe of high-pressure cooler
FIG. 3 is a sectional view of an installation of a bulging tool for isolating pipes of a high-pressure cooler
FIG. 4 top view of the left hold-down pin
FIG. 5 right side view of the left knock pin
FIG. 6 top view of the right knock pin
FIG. 7 right side view of the press pin
FIG. 8 pressure-bearing rod axis view
Detailed Description
The utility model provides a high-pressure cooler isolation tube bulging instrument, as shown in fig. 2, by left regulating wheel 1, right regulating wheel 4, left side roof pressure round pin 3, right side roof pressure round pin 5, pressure bar 6, support main part 2 and double-end spanner 8 are constituteed, install left regulating wheel 1 in the open slot in support main part 2 left side, left side roof pressure round pin 3 is installed to the screw hole at left regulating wheel 1 center, right side regulating wheel 4 is installed to support main part 2 right side, right side roof pressure round pin 5 is installed to the screw hole at right regulating wheel 4 center, be equipped with pressure bar 6 in the middle of left roof pressure round pin 3 and the right roof pressure round pin 5, left side roof pressure round pin 3 front end V-shaped inclined plane e is attached to pressure bar 6's left V-shaped inclined plane m, right roof pressure round pin 5 front end V-shaped inclined plane f is attached to pressure bar 6's right V-shaped inclined plane n, as shown in fig. 5, left roof pressure round pin 3's symmetry plane c is attached to support main part 2's open slot a's two planes, as shown in fig. 7, right roof pressure round pin 5 symmetry plane d is attached to two planes of support main part 2's open slot b.
As shown in fig. 4, the tail of the left jacking pin 3 is provided with an mx 0.8-left-handed thread, the front end of the left jacking pin 3 is provided with a 74-degree symmetrical inclined plane, as shown in fig. 6, the tail of the right jacking pin 5 is provided with an mx 0.8-right-handed thread, and the front end of the right jacking pin 5 is provided with a 74-degree symmetrical inclined plane.
The center of the left adjusting wheel 1 is provided with M16x 0.8-left-handed screw holes, the outer circumference of the left adjusting wheel is uniformly distributed with 12 phi 9 blind holes, the center of the right adjusting wheel 4 is provided with M16x 0.8-right-handed screw holes, and the outer circumference of the right adjusting wheel is uniformly distributed with 12 phi 9 blind holes. One end cylindrical head of the double-ended wrench 8 is arranged in a blind hole phi 9 on the outer circle of the left adjusting wheel 1, the other end cylindrical head of the double-ended wrench 8 is arranged in a blind hole phi 9 on the outer circle of the right adjusting wheel 4, and when the handle of the double-ended wrench 8 is rotated, the left adjusting wheel 1 and the right adjusting wheel 4 can simultaneously rotate in the same direction, and the left jacking pin 3 and the right jacking pin 5 can simultaneously move relatively inwards.
As shown in fig. 8, the two sides of the lower end of the pressure-bearing rod 6 are provided with a 74-degree V-shaped inclined plane m and a 74-degree V-shaped inclined plane n, which are symmetrical on both sides, the pressure-bearing rod 6 is of a split structure, the two parts of the pressure-bearing rod are connected into a whole through screws at the upper end, and the outer surface of the lower end of the pressure-bearing rod 6 is arc-shaped. The left jacking pin 3, the right jacking pin 5 and the pressure-bearing rod 6 are matched through a 74-degree inclined plane, the distance of each rotation of the left jacking pin 3 and the right jacking pin 5 is 0.8mm, the expansion distance of the pressure-bearing rod 6 is about 1.2mm according to the Pythagorean theorem, and the expansion size can be calculated according to the number of the rotation of the left jacking pin 3 and the right jacking pin 5.
As shown in figure 2, the symmetry plane of the outer diameters of a left jacking pin 3 and a right jacking pin 5 is arranged in an open slot of a bracket main body 2 and can not rotate but can only axially move, a left adjusting wheel 1 and a right adjusting wheel 4 are arranged in the open slot of the bracket main body 2 and can only rotate, the left jacking pin 3 and the right jacking pin 5 are moved through screw transmission, a double-ended wrench 8 is arranged in blind holes on the outer circles of the left jacking pin 3 and the right jacking pin 5, the left-handed screw and the right-handed screw are matched, and when the double-ended wrench 8 is pressed downwards, the left jacking pin 3 and the right jacking pin 5 move inwards to push a pressure-bearing rod 6 to separate outwards, so that the waist hole wall of a separation pipe 7 expands to two sides until the waist hole expands to the final size.
After a large number of processing tests, the processed shape of the isolation tube 7 is smooth, and burrs are not generated on edges. And the left jacking pin 3, the right jacking pin 5 and the pressure-bearing rod 6 are observed to have no damage trace, and the measurement results of a large number of test pieces of the isolation tube 7 after expansion molding all meet the designed size requirement.
Claims (5)
1. A bulging tool for an isolation pipe of a high-pressure cooler is characterized in that: the novel pneumatic pressure-bearing support comprises a left adjusting wheel (1), a right adjusting wheel (4), a left pressing pin (3), a right pressing pin (5), a pressure-bearing rod (6), a support main body (2) and a double-ended wrench (8), wherein the left adjusting wheel (1) is installed in an opening groove on the left side of the support main body (2), the left pressing pin (3) is installed in a threaded hole in the center of the left adjusting wheel (1), the right adjusting wheel (4) is installed on the right side of the support main body (2), the right pressing pin (5) is installed in a threaded hole in the center of the right adjusting wheel (4), the pressure-bearing rod (6) is arranged between the left pressing pin (3) and the right pressing pin (5), the V-shaped inclined plane e at the front end of the left pressing pin (3) is attached to the V-shaped inclined plane m of the pressure-bearing rod (6), the V-shaped inclined plane f at the front end of the right pressing pin (5) is attached to the V-shaped inclined plane n on the right side of the pressure-bearing rod (6), the symmetrical plane c of the left pressing pin (3) is attached to two planes of the opening groove a of the support main body (2), the right pressing pin (5) is attached to the two planes of the opening groove a, the right pressing pin (5) is uniformly distributed on the circumference of the two blind holes (9) of the support main body (2), the two cylindrical heads are uniformly distributed on the circumference of the blind hole (9) and the outer circle (9) are uniformly distributed on the circumference of the blind hole (9), the cylindrical head at the other end of the double-ended wrench (8) is arranged in a blind hole phi 9 on the outer circle of the right adjusting wheel (4).
2. A high pressure cooler isolation tube bulging tool according to claim 1, wherein: the tail part of the left jacking pin (3) is provided with M16x0.8-left-handed threads, the front end of the left jacking pin (3) is provided with 74-degree symmetrical inclined planes, the tail part of the right jacking pin (5) is provided with M16x0.8-right-handed threads, and the front end of the right jacking pin (5) is provided with 74-degree symmetrical inclined planes.
3. A high pressure cooler isolation tube bulging tool in accordance with claim 1, wherein: the center of the left adjusting wheel (1) is provided with a M16x0.8-left-handed screw hole, and the center of the right adjusting wheel (4) is provided with a M16x0.8-right-handed screw hole.
4. A high pressure cooler isolation tube bulging tool in accordance with claim 1, wherein: the two sides of the lower end of the pressure-bearing rod (6) are provided with a 74-degree V-shaped inclined plane m and a 74-degree V-shaped inclined plane n which are symmetrical, the pressure-bearing rod (6) is of a split structure, the upper end of the pressure-bearing rod is connected with the two parts of the pressure-bearing rod into a whole through a screw, and the outer surface of the lower end of the pressure-bearing rod (6) is arc-shaped.
5. A high pressure cooler isolation tube bulging tool in accordance with claim 1, wherein: the materials of the components in the left jacking pin (3), the right jacking pin (5) and the bearing rod (6) mounting flange plate (9) are 20CrMnTi materials, and the surface carburization is 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947547.5A CN110586779B (en) | 2019-10-08 | 2019-10-08 | Bulging tool for isolating pipe of high-pressure cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947547.5A CN110586779B (en) | 2019-10-08 | 2019-10-08 | Bulging tool for isolating pipe of high-pressure cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110586779A CN110586779A (en) | 2019-12-20 |
| CN110586779B true CN110586779B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910947547.5A Active CN110586779B (en) | 2019-10-08 | 2019-10-08 | Bulging tool for isolating pipe of high-pressure cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110586779B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012104513U1 (en) * | 2012-11-21 | 2012-12-04 | Jun Fan Chen | Rohraufweitgerät |
| CN205008498U (en) * | 2015-08-25 | 2016-02-03 | 刘险峰 | Metal hole frock that inflates |
| KR101723671B1 (en) * | 2016-02-16 | 2017-04-06 | 주식회사 유로텍솔루션 | head for pipe expander |
| CN209110028U (en) * | 2018-10-30 | 2019-07-16 | 大连远东美连精工有限公司 | A kind of press pipe expander |
| CN210877178U (en) * | 2019-10-08 | 2020-06-30 | 哈尔滨电气动力装备有限公司 | Bulging tool for isolation tube of high-pressure cooler |
-
2019
- 2019-10-08 CN CN201910947547.5A patent/CN110586779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012104513U1 (en) * | 2012-11-21 | 2012-12-04 | Jun Fan Chen | Rohraufweitgerät |
| CN205008498U (en) * | 2015-08-25 | 2016-02-03 | 刘险峰 | Metal hole frock that inflates |
| KR101723671B1 (en) * | 2016-02-16 | 2017-04-06 | 주식회사 유로텍솔루션 | head for pipe expander |
| CN209110028U (en) * | 2018-10-30 | 2019-07-16 | 大连远东美连精工有限公司 | A kind of press pipe expander |
| CN210877178U (en) * | 2019-10-08 | 2020-06-30 | 哈尔滨电气动力装备有限公司 | Bulging tool for isolation tube of high-pressure cooler |
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| Publication number | Publication date |
|---|---|
| CN110586779A (en) | 2019-12-20 |
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