CN115383649A - Device and process for machining ultra-long thin-walled tube - Google Patents
Device and process for machining ultra-long thin-walled tube Download PDFInfo
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- CN115383649A CN115383649A CN202211156759.XA CN202211156759A CN115383649A CN 115383649 A CN115383649 A CN 115383649A CN 202211156759 A CN202211156759 A CN 202211156759A CN 115383649 A CN115383649 A CN 115383649A
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- 238000003754 machining Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title description 4
- 230000008569 process Effects 0.000 title description 4
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a processing device of an overlong thin-walled tube, and belongs to the technical field of thin-walled tube processing equipment. According to the invention, the pipe is clamped at two ends, a pipe wall inner and outer synchronous clamping mode is adopted, the outer square outer straight clamping plate is reduced to clamp the outer wall, the inner arc clamping plate is opened to be in contact with the inner wall of the pipe, the inner wall and the outer wall are simultaneously stressed, the pipe is fixed in the outer straight clamping plate frame and cannot move, the stability is improved, and the possibility of damage is reduced; the pressure sensors arranged on the outer straight clamping plate and the inner arc clamping plate sense the clamping pressure information of the pipe wall in real time, when the pressure information on the two sides is the same during clamping, the clamping operation is stopped, and when the pressure value of the pipe wall is larger during processing operation, the processing operation is stopped.
Description
Technical Field
The invention relates to the technical field of thin-walled tube processing equipment, in particular to a device and a process for processing an overlong thin-walled tube.
Background
The thin-wall pipe is made up by using steel ingot or solid pipe blank through the processes of punching, hot rolling, cold rolling or cold drawing. At present, thin-wall pipes are widely applied, and the thin-wall pipes can be used in various occasions and environments, and have an important position in the steel pipe industry of China.
The patent application with the application number of CN205374165U provides a clamp for a thin-walled tube, which comprises an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp adopt the same structure and comprise a clamp main body and a locking mechanism, and the clamp main body is arranged on a testing machine and is used for connecting the clamp and the testing machine; the locking mechanism is arranged on the clamp main body and used for clamping a thin-walled tube. The locking mechanism comprises an expansion part and a limiting part, the expansion part comprises an expansion shaft and an expansion sleeve, the limiting part is a pressing sleeve, when the thin-walled tube is stretched, the expansion shaft expands the expansion sleeve, so that the thin-walled tube is expanded, the friction force between the expansion sleeve and the inner wall of the thin-walled tube is increased by nicks on the expansion sleeve, the pressing sleeve fastens the thin-walled tube under the action of a bolt, the radial displacement of the thin-walled tube is limited, the clamping of the thin-walled tube is realized under the combined action of the expansion shaft, the expansion sleeve and the pressing sleeve, the installation is convenient, the clamping of the thin-walled tube is stable, and the slipping of the thin-walled tube is prevented.
Although the technology improves the convenience of processing the thin-wall pipe to a certain extent, some problems exist. Because the pipe wall of the ultra-long thin-walled pipe is thin, the pipe wall is easy to damage by applying large force during clamping, and the processing quality is affected by easy displacement during processing due to small force.
In view of the above, it is desirable to improve the existing intermediate shaft production apparatus.
Disclosure of Invention
In order to comprehensively solve the problems, particularly to overcome the defects in the prior art, the invention provides a device for processing an ultra-long thin-walled tube, which can comprehensively solve the problems. The invention can synchronously fix the ultra-long thin-walled pipe by synchronously clamping and fixing the inner wall and the outer wall, synchronously stress the inner wall and the outer wall, and prevent the pipe wall from being damaged due to uneven stress.
In order to achieve the purpose, the invention adopts the following technical means:
the invention provides a processing device of an overlong thin-walled tube, which comprises a base, wherein a workbench is arranged on the upper part of the base, two groups of sliding rails are arranged on the upper part of the workbench, a first driving motor is arranged between the two groups of sliding rails, and an output end of the first driving motor is provided with a first external screw rod; the upper portions of the two sets of slide rails are slidably connected with a fixture table, a transfer seat is installed in the middle of the interior of the fixture table, first outer straight clamp plates are arranged on two sides of the transfer seat, first pressure sensors are arranged on the inner sides of the first outer straight clamp plates, first inner arc clamp plates are connected to two sides of the front end of the transfer seat, and second pressure sensors are arranged on the outer sides of the first inner arc clamp plates.
Furthermore, flexible layers are arranged on the inner sides of the outer straight clamping plate I and the inner arc clamping plate I, and the outer straight clamping plate I and the inner arc clamping plate I clamp the pipe.
Furthermore, the bottoms of the two sides of the clamp table are provided with sliding wheels, and the sliding wheels are in surface contact with the upper surface of the workbench.
Furthermore, a second driving motor is arranged on one side of the inner wall of the clamp table, the output end of the second driving motor is connected with a first outer rotating shaft, the front end of the first outer rotating shaft is connected with a second outer screw rod, a first outer straight clamping plate is sleeved on the second outer screw rod, and the other end of the second outer screw rod is connected with the adapter.
Furthermore, an external gear I is installed on the upper portion of the external rotating shaft I, one side of the external gear I is connected with an external gear II in a meshed mode, the external gear II is fixedly installed on the external rotating shaft II, and an external gear III is arranged at the front end of the external rotating shaft II.
Furthermore, one side of the outer gear III is connected with an outer gear IV in a meshing mode, the outer gear IV is fixedly installed on an outer screw rod III, and the other end of the outer screw rod III is connected with the adapter.
Furthermore, the middle section of the outer rotating shaft II is provided with a first outer helical tooth, two sides of the first outer helical tooth are connected with a second outer helical tooth in a meshing manner, the second outer helical tooth is fixedly installed on the outer rotating shaft III, the front end of the outer rotating shaft III is provided with a fifth outer gear, one side of the fifth outer gear is connected with a sixth outer gear in a meshing manner, the sixth outer gear is installed on a fourth outer screw rod, and the fourth outer screw rod is sleeved with a second outer straight clamping plate.
Furthermore, a third driving motor is arranged at the front part of the adapter, an inner rotating shaft is connected to the output end of the third driving motor, a first inner helical gear is installed at the front end of the inner rotating shaft, a second inner helical gear is engaged and connected to the outer side of the first inner helical gear, the second inner helical gear is fixedly installed on four groups of inner lead screws respectively, L-shaped positioning blocks are sleeved on the four groups of inner lead screws, and the L-shaped positioning blocks are nested in the sliding grooves through sliding shafts.
Further, an inner arc clamping plate II is installed at the top ends of the upper and lower groups of L-shaped positioning blocks, and an inner arc clamping plate I is installed at the top ends of the two groups of L-shaped positioning blocks at the two sides.
Further, the processing device comprises the following production processes: adjusting the distance between the two clamp tables on the workbench according to the length of the pipe; placing the pipe on the outer straight clamping plate II at the bottom; adjusting the clamp table to completely place the pipe on the clamp table; starting a driving motor II to drive the two groups of outer straight clamping plates I and the outer straight clamping plates II to clamp and fix the outer side of the pipe; the first two groups of pressure sensors sense pressure information between the first outer straight clamping plate and the pipe in real time, and when the first two groups of pressure sensors are larger than zero and are the same, the second driving motor is stopped; meanwhile, a driving motor III is started, and drives two groups of inner arc clamping plates I and two groups of inner arc clamping plates II to clamp and fix the inner side of the pipe; and the two groups of pressure sensors are used for sensing pressure information between the first inner arc clamping plate and the pipe in real time, and when the two groups of pressure sensors are larger than zero and are the same, the driving motor III is stopped.
Compared with the prior art, the invention has the beneficial effects that:
1. the safety is fixed, places the damage tubular product. The pipe clamping device has the advantages that the pipe is clamped at two ends, the pipe wall is synchronously clamped inside and outside, the outer square outer straight clamping plate is reduced to clamp the outer wall, the inner arc clamping plate is opened to be in contact with the inner wall of the pipe, the inner wall and the outer wall are simultaneously stressed, the pipe is fixed in the outer straight clamping plate frame and cannot move, the stability is improved, and the possibility of damage is reduced.
2. And (4) intelligentizing. The pressure sensors arranged on the outer straight clamping plate and the inner arc clamping plate sense the clamping pressure information of the pipe wall in real time, when the pressure information on the two sides is the same during clamping, the clamping operation is stopped, and when the pressure value of the pipe wall is larger during processing operation, the processing operation is stopped.
Drawings
FIG. 1 is a schematic view of the clamping structure of the present invention;
FIG. 2 is a front view of the present invention during clamping;
FIG. 3 is a left side view of the invention when clamped;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of the fixture table of the present invention;
FIG. 6 is a schematic view of the outer straight splint structure of the present invention;
FIG. 7 is a schematic view of the inner arc splint structure of the present invention;
fig. 8 is an enlarged view of a portion of fig. 7 a according to the present invention.
In the figure:
1. a base; 2. a work table; 3. a first driving motor; 4. a first screw rod; 5. a jig stage; 6. a slide rail; 7. a second driving motor; 8. a transfer seat; 9. a driving motor III; 10. a pipe; 71. a first rotating shaft; 72. a second screw rod; 73. an outer straight splint I; 74. an outer gear I; 75. an outer gear II; 76. a second rotating shaft; 77. an outer gear III; 78. an outer gear IV; 79. a third screw rod; 80. the outer helical teeth I; 81. a second external helical tooth; 82. a rotating shaft III; 83. an outer gear V; 84. an outer gear six; 85. a fourth screw rod; 86. an outer straight splint II; 731. a first pressure sensor; 91. an inner rotating shaft; 92. a first inner helical tooth; 93. a second inner helical tooth; 94. an inner screw rod; 95. an L-shaped positioning block; 96. a chute; 97. a second inner arc clamping plate; 98. a first inner arc splint; 951. a slide shaft; 981 pressure sensor two.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the embodiment is as follows:
as shown in fig. 1 to 4, 7 and 8, in an embodiment of the present invention, a processing apparatus for an ultra-long thin-walled tube includes a base 1, a workbench 2 is installed on the upper portion of the base 1, two sets of slide rails 6 are installed on the upper portion of the workbench 2, a first driving motor 3 is arranged between the two sets of slide rails 6, and a first external screw rod 4 is arranged at an output end of the first driving motor 3; 6 upper portion sliding connection of two sets of slide rails has anchor clamps platform 5, adapter 8 is installed to the inside intermediate position of anchor clamps platform 5, 8 both sides of adapter are provided with outer straight splint one 73, outer straight splint one 73 inboard is provided with pressure sensors one 731, 8 front end both sides of adapter are connected with inner arc splint one 98, the inner arc splint one 98 outside is equipped with pressure sensors two 981.
In one embodiment of the present invention, as shown in fig. 1 to 5, specifically, the inner sides of the outer straight clamping plate one 73 and the inner arc clamping plate one 98 are provided with flexible layers, and the outer straight clamping plate one 73 and the inner arc clamping plate one 98 clamp the pipe 10.
As shown in fig. 1 to 3, in one embodiment of the present invention, specifically, the bottom of the two sides of the clamp table 5 is provided with a sliding wheel 51, and the sliding wheel 51 is in contact with the upper surface of the workbench 2.
As shown in fig. 2 to 6, in an embodiment of the present invention, specifically, a second driving motor 7 is disposed on one side of an inner wall of the clamp table 5, an output end of the second driving motor 7 is connected with a first external rotating shaft 71, a front end of the first external rotating shaft 71 is connected with a second external screw 72, the second external screw 72 is sleeved with a first external straight clamping plate 73, and the other end of the second external screw 72 is connected with the adapter 8.
As shown in fig. 2 to 4, in one embodiment of the present invention, specifically, an external gear first 74 is mounted on an upper portion of the external rotating shaft first 71, one side of the external gear first 74 is engaged with an external gear second 75, the external gear second 75 is fixedly mounted on the external rotating shaft second 76, and an external gear third 77 is disposed at a front end of the external rotating shaft second 76.
As shown in fig. 3 to 7, in one embodiment of the present invention, specifically, one side of the external gear three 77 is engaged with and connected with an external gear four 78, the external gear four 78 is fixedly installed on an external screw rod three 79, and the other end of the external screw rod three 79 is connected with the adapter 8.
As shown in fig. 4 to 8, in an embodiment of the present invention, specifically, a first external helical tooth 80 is disposed in a middle section of the second external rotating shaft 76, two sides of the first external helical tooth 80 are engaged with a second external helical tooth 81, the second external helical tooth 81 is fixedly mounted on a third external rotating shaft 82, a fifth external gear 83 is disposed at a front end of the third external rotating shaft 82, one side of the fifth external gear 83 is engaged with a sixth external gear 84, the sixth external gear 84 is mounted on a fourth external screw rod 85, and a second external straight clamping plate 86 is sleeved on the fourth external screw rod 85.
As shown in fig. 5 to 7, in an embodiment of the present invention, specifically, a third driving motor 9 is disposed at the front of the adaptor 8, an output end of the third driving motor 9 is connected to an inner rotating shaft 91, a first inner helical gear 92 is mounted at the front end of the inner rotating shaft 91, a second inner helical gear 93 is engaged with the outer side of the first inner helical gear 92, the second inner helical gear 93 is respectively and fixedly mounted on four groups of inner lead screws 94, L-shaped positioning blocks 95 are sleeved on the four groups of inner lead screws 94, and the L-shaped positioning blocks 95 are nested in sliding grooves 96 through sliding shafts 951.
As shown in fig. 1 to fig. 6, in an embodiment of the present invention, specifically, the top ends of the upper and lower sets of L-shaped positioning blocks 95 are provided with a second inner arc clamping plate 97, and the top ends of the two sets of L-shaped positioning blocks 95 on the two sides are provided with a first inner arc clamping plate 98.
Principle of operation
When the pipe fitting clamping device is used, the distance between the two clamp tables 5 on the workbench 2 is adjusted according to the length of a pipe 10, and the pipe 10 is placed on the outer straight clamp plate II 86 at the bottom. And starting the first driving motor 3, driving the first driving motor 3 to drive the first outer lead screw 4 to rotate, driving the first outer lead screw 4 to drive the clamp table 5 to move, and adjusting the clamp table 5 to completely place the pipe 10 on the clamp table 5.
And then, starting a second driving motor 7, driving the first outer rotating shaft 71 to rotate by the second driving motor 7, driving the second outer screw rod 72 to rotate by the first outer gear 74, the second outer gear 75, the third outer gear 77, the first outer helical gear 80, the second outer helical gear 81, the fifth outer gear 83, the sixth outer gear 84 and other transmission structures to drive the third outer screw rod 79 and the fourth outer screw rod 85 to rotate so as to synchronously move the first outer straight clamping plate 73 and the second outer straight clamping plate 86 to the inner side to clamp the outer wall of the pipe 10, sensing pressure information between the first outer straight clamping plate 73 and the pipe 10 in real time by the first two groups of pressure sensors 731, and stopping driving the second driving motor 7 when the first two groups of pressure sensors 731 is larger than zero and the same.
Meanwhile, the driving motor III 9 is started, the driving motor III 9 drives the two groups of the first inner arc clamping plates 98 and the second inner arc clamping plates 97 to clamp and fix the inner side of the pipe 10, the two groups of the second pressure sensors 981 sense pressure information between the first inner arc clamping plates 98 and the pipe 10 in real time, and when the two groups of the second pressure sensors 981 are larger than zero and are the same, the driving motor III 9 is stopped.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The machining device for the ultra-long thin-walled tube comprises a base (1), wherein a workbench (2) is mounted on the upper portion of the base (1), and is characterized in that two groups of sliding rails (6) are mounted on the upper portion of the workbench (2), a first driving motor (3) is arranged between the two groups of sliding rails (6), and a first outer lead screw (4) is arranged at the output end of the first driving motor (3);
two sets of slide rail (6) upper portion sliding connection has anchor clamps platform (5), adapter (8) are installed to the inside intermediate position of anchor clamps platform (5), adapter (8) both sides are provided with outer straight splint (73), outer straight splint (73) inboard is provided with pressure sensors (731), adapter (8) front end both sides are connected with inner arc splint (98), the outer side of inner arc splint (98) is equipped with pressure sensors two (981).
2. A processing device for extra long thin walled tube according to claim 1, characterized in that the inner sides of the outer straight clamping plate one (73) and the inner arc clamping plate one (98) are provided with flexible layers, and the outer straight clamping plate one (73) and the inner arc clamping plate one (98) clamp the tube (10).
3. The processing device for the ultra-long thin-walled tube according to claim 1, characterized in that the bottom of the two sides of the clamp table (5) is provided with a sliding wheel (51), and the sliding wheel (51) is in contact with the upper surface of the workbench (2).
4. The processing device of the ultra-long thin-walled tube according to claim 3, wherein a second driving motor (7) is arranged on one side of the inner wall of the clamp table (5), an output end of the second driving motor (7) is connected with a first outer rotating shaft (71), a second outer screw rod (72) is connected to the front end of the first outer rotating shaft (71), a first outer straight clamping plate (73) is sleeved on the second outer screw rod (72), and the other end of the second outer screw rod (72) is connected with the adapter (8).
5. The machining device for the ultra-long thin-walled tube according to claim 4, characterized in that an external gear I (74) is installed at the upper part of the external rotating shaft I (71), one side of the external gear I (74) is engaged and connected with an external gear II (75), the external gear II (75) is fixedly installed on the external rotating shaft II (76), and an external gear III (77) is arranged at the front end of the external rotating shaft II (76).
6. The machining device for the ultra-long thin-walled tube according to claim 5, characterized in that one side of the external gear three (77) is engaged with and connected with an external gear four (78), the external gear four (78) is fixedly installed on an external screw rod three (79), and the other end of the external screw rod three (79) is connected with the adapter (8).
7. The machining device for the ultra-long thin-walled tube according to claim 5, wherein a first external helical tooth (80) is arranged in the middle section of the second external helical tooth (76), two sides of the first external helical tooth (80) are connected with a second external helical tooth (81) in a meshing manner, the second external helical tooth (81) is fixedly installed on the third external helical tooth (82), a fifth external gear (83) is arranged at the front end of the third external helical tooth (82), a sixth external gear (84) is connected to one side of the fifth external gear (83) in a meshing manner, the sixth external gear (84) is installed on a fourth external screw rod (85), and a second external straight clamping plate (86) is sleeved on the fourth external screw rod (85).
8. The machining device for the ultra-long thin-walled tube according to claim 1, wherein a third driving motor (9) is arranged in front of the adapter (8), an output end of the third driving motor (9) is connected with an inner rotating shaft (91), a first inner helical gear (92) is installed at the front end of the inner rotating shaft (91), a second inner helical gear (93) is engaged and connected to the outer side of the first inner helical gear (92), the second inner helical gear (93) is fixedly installed on four groups of inner lead screws (94) respectively, L-shaped positioning blocks (95) are sleeved on the four groups of inner lead screws (94), and the L-shaped positioning blocks (95) are nested in sliding grooves (96) through sliding shafts (951).
9. The processing device of the ultra-long thin-walled tube as claimed in claim 8, wherein the top ends of the upper and lower sets of L-shaped positioning blocks (95) are provided with a second inner arc clamping plate (97), and the top ends of the two sets of L-shaped positioning blocks (95) on two sides are provided with a first inner arc clamping plate (98).
10. The processing technology of the overlong thin-walled tube is characterized in that the processing device comprises the following production technologies:
(1) adjusting the distance between the two clamp tables (5) on the workbench (2) according to the length of the pipe (10);
(2) placing the pipe (10) on a second outer straight clamping plate (86) at the bottom;
(3) adjusting the clamp table (5) to completely place the pipe (10) on the clamp table (5);
(4) starting a second driving motor (7) to drive two groups of first outer straight clamping plates (73) and second outer straight clamping plates (86) to clamp and fix the outer side of the pipe (10);
(5) the two groups of pressure sensors I (731) sense pressure information between the outer straight clamping plate I (73) and the pipe (10) in real time, and when the two groups of pressure sensors I (731) are larger than zero and are the same, the driving motor II (7) is stopped;
(6) meanwhile, a driving motor III (9) is started, and the driving motor III (9) drives two groups of inner arc clamping plates I (98) and inner arc clamping plates II (97) to clamp and fix the inner side of the pipe (10);
(7) and the two groups of pressure sensors II (981) sense the pressure information between the inner arc clamp plate I (98) and the pipe (10) in real time, and when the two groups of pressure sensors II (981) are larger than zero and are the same, the driving motor III (9) is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211156759.XA CN115383649A (en) | 2022-09-22 | 2022-09-22 | Device and process for machining ultra-long thin-walled tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211156759.XA CN115383649A (en) | 2022-09-22 | 2022-09-22 | Device and process for machining ultra-long thin-walled tube |
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| CN115383649A true CN115383649A (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211156759.XA Pending CN115383649A (en) | 2022-09-22 | 2022-09-22 | Device and process for machining ultra-long thin-walled tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118024046A (en) * | 2024-04-12 | 2024-05-14 | 内蒙古工业大学 | Magnetic grinding device capable of preventing pipe fitting from deforming |
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| JP6906267B1 (en) * | 2020-04-26 | 2021-07-21 | 浙江嘉特保温技術株式会社 | Pipe material clamp jig |
| CN213003940U (en) * | 2020-09-14 | 2021-04-20 | 天津联通阀门有限公司 | Butterfly valve machining clamp |
| CN214080059U (en) * | 2020-10-19 | 2021-08-31 | 大连华特汽车零部件有限公司 | Clamp for assisting automobile pipe fitting manufacturing |
| CN112453438A (en) * | 2020-11-10 | 2021-03-09 | 中核嘉华设备制造股份公司 | Forming device of hastelloy pipe fitting |
| CN112846851A (en) * | 2021-01-04 | 2021-05-28 | 张晓民 | Machining and positioning method for anti-deformation thin-wall pipe fitting |
| CN113441743A (en) * | 2021-09-01 | 2021-09-28 | 南通御美津精密工业有限公司 | Multifunctional machine tool chuck for clamping conical thin-wall pipe body |
| CN113618454A (en) * | 2021-09-23 | 2021-11-09 | 郑州科技学院 | Intelligent clamp for thin-wall cylindrical pipe fitting |
| CN216298992U (en) * | 2021-11-16 | 2022-04-15 | 昆山美和机械有限公司 | Processing device for aluminum-magnesium alloy thin-walled pipe |
| CN216179986U (en) * | 2021-11-25 | 2022-04-05 | 林祥 | Fixing mechanism for metal pipe machining |
| CN114161074A (en) * | 2021-12-28 | 2022-03-11 | 北京航空航天大学 | Automatic welding clamp for aluminum alloy thin-walled tube |
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| CN217194444U (en) * | 2022-03-11 | 2022-08-16 | 湖北昌达塑业有限公司 | Deburring device for processing plastic shell of vacuum bottle |
| CN114523307A (en) * | 2022-04-24 | 2022-05-24 | 南通新强机床制造有限公司 | Thin-wall pipe fitting clamping device and machine tool using same |
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