CN113020355B - Lining device for bending thin-wall metal pipe - Google Patents
Lining device for bending thin-wall metal pipe Download PDFInfo
- Publication number
- CN113020355B CN113020355B CN202110374141.XA CN202110374141A CN113020355B CN 113020355 B CN113020355 B CN 113020355B CN 202110374141 A CN202110374141 A CN 202110374141A CN 113020355 B CN113020355 B CN 113020355B
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- Prior art keywords
- fixedly connected
- sliding
- block
- thin
- connecting rod
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- 239000002184 metal Substances 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 title claims abstract description 15
- 230000008093 supporting effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
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- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- 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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a thin-wall metal pipe bending lining device which comprises a shell, wherein a lining mechanism is arranged in the shell, the lining mechanism comprises a fixed block fixedly connected in the shell, a first pressure sensor is fixedly connected to the fixed block, a motor is fixedly connected to the inside of the fixed block, a screw rod is controlled by the motor, and the screw rod is in threaded connection with a first sliding block.
Description
Technical Field
The invention relates to the field of pipe processing, in particular to a bending lining device for a thin-wall metal pipe.
Background
In the bending process of the thin-wall metal pipe, the thin-wall metal pipe is directly bent, and the pipe wall is difficult to ensure that the thin-wall metal pipe does not collapse after the thin-wall metal pipe is machined, so that certain technical measures are taken when the thin-wall metal pipe is bent, in the prior art, the inner wall of the thin-wall metal pipe is supported in a mode of filling sand into the pipe, the metal pipe is prevented from collapsing when bending, but when the sand at the bending position is extruded, the sand flows to two sides, the pressure born by the inner wall of the pipe is increased, and the pipe wall is expanded and deformed.
Disclosure of Invention
The invention aims to provide a lining bending device for a thin-wall metal pipe, which solves the problems.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a thin wall tubular metal resonator inside lining device of bending, includes the casing, the inside lining mechanism that is equipped with of casing, lining mechanism includes fixed block that fixed connection is in the casing, fixedly connected with first pressure sensor on the fixed block, the inside fixedly connected with motor of fixed block, motor control has the lead screw, lead screw threaded connection has first slider, first slider with fixed block sliding connection, fixedly connected with connecting rod on the first slider, the connecting rod other end fixedly connected with rubber tube, the inside fixedly supporting spring that is equipped with of rubber tube.
Preferably, the other end of the rubber tube is fixedly connected with a limiting block, four electromagnets distributed in an array are fixedly connected inside the limiting block, one end of each electromagnet is fixedly connected with a connecting spring, the other end of each connecting spring is fixedly connected with a magnet, and the magnets are in sliding connection with the limiting block.
Preferably, the connecting rod is fixedly connected with a constant pressure valve.
Preferably, two toothed blocks which are symmetrically distributed are fixedly connected to the first sliding block.
Preferably, the inside fixedly connected with backup pad of casing, fixedly connected with second pressure sensor in the backup pad, inside fixedly connected with of backup pad is two supporting shafts of symmetric distribution, the last intermediate lever that rotates of supporting shaft is connected with.
Preferably, two symmetrically distributed fixed shafts are fixedly connected in the shell, a gear is rotationally connected to the fixed shafts and meshed with the toothed block, a first sliding shaft is fixedly connected to the gear, and the first sliding shaft is in sliding connection with the middle rod.
Preferably, the inside fixedly connected with of casing is the supporting shoe of symmetric distribution, the inside fixedly connected with buffer spring of supporting shoe, buffer spring other end fixedly connected with second slider, the second slider with supporting shoe sliding connection, fixedly connected with second sliding shaft on the second slider, the second sliding shaft with intermediate lever sliding connection.
Preferably, the second sliding block is fixedly connected with a clamping shaft, and the clamping shaft is fixedly connected with a clamping wheel.
Preferably, the inside fixedly connected with aerostatic press of casing, fixedly connected with gas transmission pole on the aerostatic press, the gas transmission pole other end fixedly connected with on the connecting rod.
Preferably, the connecting rod is hollow.
In summary, the invention has the following beneficial effects: when the thin-wall metal pipe is clamped and fixed, the hollow rubber pipe stretches into the pipeline, when the rubber pipe moves to the position to be bent, four magnets are ejected in the limiting block at the front end of the rubber pipe to limit the position of the rubber pipe, and meanwhile, the rubber pipe is inflated, so that the rubber pipe supports the inner wall of the metal pipe, when the rubber pipe is bent, a part of gas is discharged through the constant pressure valve when the rubber pipe is extruded, the metal pipe deformation caused by overlarge extrusion force on the metal pipe is prevented when the supporting effect of the rubber pipe on the metal pipe is ensured, and the bending effect of the metal pipe is better.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the direction A-A in FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the B-B direction in FIG. 1 according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the rubber tube of fig. 1 according to an embodiment of the present invention.
Detailed Description
The utility model provides a thin wall metal tube lining bending device that combines fig. 1-4, includes casing 10, the inside lining mechanism 60 that is equipped with of casing 10, lining mechanism 60 includes fixed block 12 that fixed connection is in the casing 10, fixedly connected with first pressure sensor 36 on the fixed block 12, the inside fixedly connected with motor 13 of fixed block 12, motor 13 control has lead screw 14, lead screw 14 threaded connection has first slider 15, first slider 15 with fixed block 12 sliding connection, fixedly connected with connecting rod 17 on the first slider 15, connecting rod 17 other end fixedly connected with rubber tube 18, the inside fixedly provided with supporting spring 19 of rubber tube 18.
The limiting block 20 is fixedly connected to the other end of the rubber tube 18, four electromagnets 21 distributed in an array are fixedly connected to the inside of the limiting block 20, a connecting spring 22 is fixedly connected to one end of each electromagnet 21, a magnet 23 is fixedly connected to the other end of each connecting spring 22, and the magnets 23 are slidably connected with the limiting block 20.
Advantageously, the connecting rod 17 is fixedly connected with a constant pressure valve 39.
Advantageously, two toothed blocks 16 are fixedly connected to the first slider 15, which are symmetrically distributed.
Advantageously, the housing 10 is fixedly connected with a support plate 11, the support plate 11 is fixedly connected with a second pressure sensor 35, two support shafts 27 which are symmetrically distributed are fixedly connected with the support plate 11, and the support shafts 27 are rotatably connected with a middle rod 28.
Advantageously, two symmetrically distributed fixed shafts 24 are fixedly connected inside the casing 10, a gear 25 is rotatably connected to the fixed shafts 24, the gear 25 is meshed with the toothed block 16, a first sliding shaft 26 is fixedly connected to the gear 25, and the first sliding shaft 26 is slidably connected with the intermediate rod 28.
Advantageously, two symmetrically distributed supporting blocks 29 are fixedly connected inside the housing 10, a buffer spring 30 is fixedly connected inside the supporting blocks 29, a second sliding block 31 is fixedly connected to the other end of the buffer spring 30, the second sliding block 31 is slidably connected with the supporting blocks 29, a second sliding shaft 34 is fixedly connected to the second sliding block 31, and the second sliding shaft 34 is slidably connected with the middle rod 28.
Advantageously, the second slider 31 is fixedly connected with a clamping shaft 32, and the clamping shaft 32 is fixedly connected with a clamping wheel 33.
Advantageously, an air compressor 37 is fixedly connected to the inside of the housing 10, an air transmission rod 38 is fixedly connected to the air compressor 37, and the other end of the air transmission rod 38 is fixedly connected to the connecting rod 17.
Advantageously, the connecting rod 17 is hollow inside.
The application method of the invention comprises the following steps:
in the initial state, the supporting spring 19 and the buffer spring 30 are in a normal state.
When in use, the thin-wall metal tube is put into the device, the metal tube extrudes the first pressure sensor 35, the first pressure sensor 35 is triggered, the motor 13 is started to drive the screw rod 14 to rotate, the screw rod 14 drives the first slide block 15 to move, the first slide block 15 drives the toothed block 16 and the connecting rod 17 to move, the toothed block 16 drives the gear 25 to rotate, the gear 25 drives the first sliding shaft 26 to rotate, the first sliding shaft 26 drives the middle rod 28 to rotate, the second sliding shaft 34 is driven to move, the second sliding shaft 34 drives the second slide block 31 to move, the second slide block 31 drives the clamping shaft 32 to move, the clamping shaft 32 drives the clamping wheels 33 to move, the two clamping wheels 33 clamp the metal tube, the connecting rod 17 drives the rubber tube 18 to move, the rubber tube 18 drives the supporting spring 19 and the limiting block 20 to move, when the rubber tube 18 moves to the position to be bent, the toothed block 16 extrudes the second pressure sensor 36, the second pressure sensor 36 is triggered, the electromagnet 21 is electrified, the repulsive magnet 23, the connecting spring 22 is stretched, the four magnets 23 support the inner wall of the metal tube, the position of the rubber tube 18 is limited, the air compressor 37 is electrified, the rubber tube 18 is inflated through the air transmission rod 38 and the connecting rod 17, the rubber tube 18 is expanded, the position to be bent of the rubber tube 18 is supported, when the metal tube is bent, the rubber tube 18 is extruded, the air pressure in the rubber tube 18 is increased, the constant pressure valve 39 is triggered, and redundant air is discharged, so that the air pressure in the rubber tube 18 is stable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. A thin-wall metal pipe lining bending device is characterized in that: the inner lining mechanism comprises a fixed block fixedly connected in the shell, a first pressure sensor is fixedly connected on the fixed block, a motor is fixedly connected in the fixed block, a screw rod is controlled by the motor, a first sliding block is connected with the screw rod in a threaded mode, the first sliding block is in sliding connection with the fixed block, a connecting rod is fixedly connected on the first sliding block, a rubber tube is fixedly connected with the other end of the connecting rod, and a supporting spring is fixedly arranged in the rubber tube; the other end of the rubber tube is fixedly connected with a limiting block, four electromagnets distributed in an array are fixedly connected inside the limiting block, one end of each electromagnet is fixedly connected with a connecting spring, the other end of each connecting spring is fixedly connected with a magnet, and the magnets are in sliding connection with the limiting block; the connecting rod is fixedly connected with a constant pressure valve; two symmetrically distributed toothed blocks are fixedly connected to the first sliding block; the inside fixedly connected with backup pad of casing, fixedly connected with second pressure sensor in the backup pad, inside fixedly connected with of backup pad is two back shaft that are symmetrical distribution, the epaxial rotation of back shaft is connected with the intermediate lever.
2. The thin-walled metal tubing bending liner device of claim 1, wherein: the shell is internally fixedly connected with two symmetrically distributed fixed shafts, gears are rotationally connected to the fixed shafts and meshed with the toothed blocks, and a first sliding shaft is fixedly connected to the gears and is in sliding connection with the middle rod.
3. The thin-walled metal tubing bending liner device of claim 2, wherein: the inside fixedly connected with of casing is the supporting shoe of symmetric distribution, the inside fixedly connected with buffer spring of supporting shoe, buffer spring other end fixedly connected with second slider, the second slider with supporting shoe sliding connection, fixedly connected with second sliding shaft on the second slider, the second sliding shaft with intermediate lever sliding connection.
4. A thin-walled metal tubing bending liner device as defined in claim 3, wherein: the shell is internally fixedly connected with an air compressor, an air transmission rod is fixedly connected to the air compressor, and the other end of the air transmission rod is fixedly connected to the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374141.XA CN113020355B (en) | 2021-04-07 | 2021-04-07 | Lining device for bending thin-wall metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374141.XA CN113020355B (en) | 2021-04-07 | 2021-04-07 | Lining device for bending thin-wall metal pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113020355A CN113020355A (en) | 2021-06-25 |
| CN113020355B true CN113020355B (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110374141.XA Active CN113020355B (en) | 2021-04-07 | 2021-04-07 | Lining device for bending thin-wall metal pipe |
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| Country | Link |
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| CN (1) | CN113020355B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192628B (en) * | 2021-12-10 | 2022-09-13 | 浙江大学 | Multi-sensor fusion pipe bending forming state real-time monitoring device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1450015A (en) * | 1975-05-08 | 1976-09-22 | Vnii Str Magistralnykh Truborp | Device for bending thin-walled pipes |
| US5564303A (en) * | 1995-06-07 | 1996-10-15 | Buchanan; Robert W. | Internal mandrel for use in pipe bending |
| US20010029764A1 (en) * | 1999-12-06 | 2001-10-18 | Price Miller S. | Angled ductwork fittings, flexible fitting machine and methods of manufacture |
| DE10020725B4 (en) * | 2000-04-27 | 2005-06-30 | Thyssenkrupp Stahl Ag | Bending device for thin-walled metal pipes |
| JP2002113524A (en) * | 2000-10-05 | 2002-04-16 | Sumitomo Metal Ind Ltd | Core for working metal tube and method for working metal tube |
| CN2467219Y (en) * | 2000-12-15 | 2001-12-26 | 沈小蛇 | Antiflat and anti shrunken device for steel pipe bending processing |
| DE102006031503B4 (en) * | 2006-07-06 | 2008-04-10 | Thyssenkrupp Steel Ag | Method and device for bending hollow sections with minimal bending radius |
| GB2448927B (en) * | 2007-05-04 | 2010-05-05 | Dynamic Dinosaurs Bv | Apparatus and method for expanding tubular elements |
| CN102284575B (en) * | 2011-07-06 | 2014-02-12 | 北京航空航天大学 | A push-bending forming device and forming method for internal high-pressure rubber bag pipe fittings |
| CN105107898A (en) * | 2015-09-11 | 2015-12-02 | 重庆双狮摩托车制造有限公司 | Thin-walled tube lining bending structure |
| FR3058653B1 (en) * | 2016-11-15 | 2019-04-05 | Stelia Aerospace | BENDING MACHINE HAVING AN INFLATABLE CHUCK AND METHOD OF BENDING |
| CN107838249B (en) * | 2017-12-20 | 2019-01-29 | 重庆黎帆装饰工程有限公司 | A kind of angle pipe equipment |
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- 2021-04-07 CN CN202110374141.XA patent/CN113020355B/en active Active
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| CN113020355A (en) | 2021-06-25 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230519 Address after: No. 59 Guangming Road, Yushan High tech Industrial Development Zone, Changshu, Suzhou City, Jiangsu Province, 215500 Applicant after: SUZHOU DIHANG DEFENSE FACILITIES CO.,LTD. Address before: No. 257, Gongye North Road, Licheng District, Jinan City, Shandong Province, 250100 Applicant before: Jinan Yinghui Construction Engineering Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: No. 59 Guangming Road, Yushan High tech Industrial Development Zone, Changshu, Suzhou City, Jiangsu Province, 215500 Patentee after: Jiangsu Dihang Industrial Technology Co.,Ltd. Country or region after: Zhong Guo Address before: No. 59 Guangming Road, Yushan High tech Industrial Development Zone, Changshu, Suzhou City, Jiangsu Province, 215500 Patentee before: SUZHOU DIHANG DEFENSE FACILITIES CO.,LTD. Country or region before: Zhong Guo |
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| CP03 | Change of name, title or address |