CN110899379A - Bending angle measuring mechanism of metal bent pipe - Google Patents
Bending angle measuring mechanism of metal bent pipe Download PDFInfo
- Publication number
- CN110899379A CN110899379A CN201911296633.0A CN201911296633A CN110899379A CN 110899379 A CN110899379 A CN 110899379A CN 201911296633 A CN201911296633 A CN 201911296633A CN 110899379 A CN110899379 A CN 110899379A
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- angle
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- bent pipe
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- 238000005452 bending Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a bending angle measuring mechanism of a metal bent pipe, which comprises a rotation unit with changeable angle, a clamping unit and a supporting unit, wherein the clamping unit is arranged on the rotation unit with changeable angle and can move along the rotation unit with changeable angle; the angle-changeable rotating unit is fixed on the supporting unit. The bent pipe with any bending angle can be placed by adjusting the included angle between the rotating plates, so that the bending machine is convenient and quick and is not limited by the bending angle. The mechanism adopts a modularized design, can adjust the position of the positioning bent pipe by adjusting the rotating plate and the clamping module, and is convenient, rapid, accurate and high in flexibility.
Description
Technical Field
The invention relates to the field of bent pipe measurement, in particular to a bending angle measuring mechanism of a metal bent pipe.
Background
The metal pipe is bent and formed, generally by determining a reasonable fulcrum and a stress point and applying a certain bending moment or bending force. However, after the pipe bending and forming process is finished, the elastic deformation contained in the bending deformation area is unloaded, so that the pipe fitting rebounds, the stress states of the inner side and the outer side of the bent pipe are opposite, the rebounding effects are mutually superposed during unloading, the bending angle is reduced, the bending angle after the bent pipe rebounds and the bending angle before the rebounding deviate, the size precision and the assembly efficiency of the bent pipe fitting are seriously affected, in order to effectively compensate the rebounding and judge whether the forming angle after the unloading meets the use requirements, the bending angle of the bent pipe fitting needs to be accurately measured.
According to the standard of the elbow, the inner wall of the elbow which is required to be formed generally cannot have obvious wrinkles, the outer wall has no cracks, and the ovality of the section of the elbow cannot exceed the requirements or standards of related countries and industries. Most of the known bent pipe angle detecting instruments are directed to a straight pipe. For the return bend, current angle measuring device is comparatively complicated when fixed and location, and the positioning time is longer, can't carry out the rapid survey, and measuring device's structure is comparatively complicated, takes place to damage easily, is unfavorable for using widely.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bending angle measuring mechanism of a metal bent pipe, which is suitable for measuring the pipe fitting diameter in any angle range and the bent pipe angle of the bending radius in any range, and can realize the high-precision measurement of the bending angle of the bent pipe after accurate positioning.
The purpose of the invention is realized by the following technical scheme:
the bending angle measuring mechanism of the metal bent pipe is characterized by comprising an angle-changeable rotating unit, a clamping unit and a supporting unit, wherein the clamping unit is arranged on the angle-changeable rotating unit and can move along the angle-changeable rotating unit; the angle-changeable rotating unit is fixed on the supporting unit.
Furthermore, the angle-changeable rotating unit comprises a first rotating plate with scales and a second rotating plate with scales, and the clamping unit comprises four L-shaped sliding blocks; after the first rotating plate with the scales and the second rotating plate with the scales rotate for a certain angle, one end of each of the first rotating plate and the second rotating plate is sleeved and fixed on the supporting unit; the other end of the first rotating plate with the scales and the other end of the second rotating plate with the scales are respectively provided with a first mounting groove and a second mounting groove, and two L-shaped sliding blocks are arranged in the first mounting groove and the second mounting groove and used for clamping the bent pipe.
Furthermore, L type sliding block on set up threaded hole, work as L type sliding block adjust to suitable position after, fix it in the mounting groove through placing holding screw.
Further, the supporting unit be rectangle sliding block pillar, it includes fixed connection's sliding block and pillar, the sliding block on seted up first location screw hole for it is fixed.
Furthermore, the top end of the rectangular sliding block strut is provided with a section of optical axis and a section of threaded shaft, one end of the first rotating plate with scales and one end of the second rotating plate with scales are respectively provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are sleeved on the top end of the strut and fixed through a set screw.
The invention has the following beneficial effects:
(1) the angle-changeable rotating plate is provided with the dial, so that the angle can be accurately adjusted to a required angle, the forming quality (resilience angle) of the bent pipe can be measured, the bent pipe with any bending angle can be placed by adjusting the included angle between the rotating plates, and the angle-changeable bent pipe is convenient, quick and free of limitation of the bending angle.
(2) The design of using pipe fitting orientation module on rotor plate and the centre gripping module in the convertible angle module, the phenomenon of kick-backing exists after considering pipe fitting bending, and two mechanism structures are the same, but the function slightly is different, makes pipe fitting orientation module's design reasonable more feasible. In two mechanisms, all press from both sides tight location with the straightway of L type sliding block to the pipe fitting, and L type sliding block all can slide in the rectangular channel, makes positioning mechanism can conveniently realize benchmark location and resilience regulation.
(3) The L-shaped sliding block in the clamping module can slide on the rotating plate, so that the device is suitable for measuring the bending angle of the section of the bent pipe with a certain bending radius. The L-shaped sliding blocks with different heights can be replaced according to the outer diameter of the pipe fitting, so that the clamping device is suitable for clamping and positioning the pipe fittings with different diameters.
(4) The bending angle measuring mechanism of the metal bent pipe adopts a modularized design and can adjust the position of the positioning bent pipe through the adjusting rotating plate and the clamping module, and the bending angle measuring mechanism is convenient, quick, accurate and high in flexibility.
Drawings
FIG. 1 is a schematic structural diagram of a bending angle measuring mechanism of a bent metal pipe;
FIG. 2 is a schematic structural view of an angle-changeable elbow and a clamping module;
FIG. 3 is a schematic diagram of a first rotary plate structure with scales;
FIG. 4 is a schematic view of a second rotating plate measurement configuration;
FIG. 5 is a schematic view of an L-shaped slider structure;
FIG. 6 is a schematic view of a rectangular slider strut configuration;
in the figure, a rectangular sliding fast support 1, a clamping unit 2, an angle-changeable rotating plate 3, a fastening bolt 4, a bent pipe 5, a first positioning threaded hole 11, a rotating plate mounting position 12, a fastening thread 13, an L-shaped sliding block 21, a second positioning threaded hole 211, a first rotating plate 31 with scales, a first mounting hole 311, a first mounting groove 312, a rotating scale 313, a second rotating plate 32, a second mounting hole 321 and a second mounting groove 322 are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the invention will become more apparent. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, a bending angle measuring mechanism for a metal bent pipe includes an angle-changeable rotation unit, a clamping unit and a supporting unit, wherein the clamping unit is disposed on the angle-changeable rotation unit and can move along the angle-changeable rotation unit; the angle-changeable rotating unit is fixed on the supporting unit.
The angle-changeable rotating unit comprises a first rotating plate 31 with scales and a second rotating plate 32 with scales, wherein the first rotating plate 31 is provided with a first mounting groove 312 for mounting the clamping unit 2 and a first mounting hole 311 for fixing, and the second rotating plate 32 with scales is provided with a second mounting groove 322 for mounting the clamping unit 2 and a second mounting hole 321 for fixing; the clamping unit is four L-shaped sliding blocks 33; the bottom of the rectangular sliding block support 2 is provided with a second positioning threaded hole 211 for positioning, the positions of the L-shaped sliding plate 21 on the two rotating plates 31 and 32 can be adjusted, the distance between the L-shaped sliding plates 21 can be further adjusted according to the diameter of the bent pipe, the two rotating plates 31 and 32 are installed on the rotating plate installation position 12 through the first installation hole 311 and the second installation hole 321 after the required angle is adjusted, and the two rotating plates 31 and 32 are screwed into the fastening thread 13 on the rectangular sliding block support 2 through the fastening bolt 4. The bottom of the rectangular sliding block support column 1 is provided with a first positioning threaded hole 11 which can be used for adjusting the positions of the whole angle-changeable plate 3 and the clamping unit 2 which are arranged on the rectangular sliding block support column 1 on the base or the fixing platform, and then a set screw is screwed into the first positioning threaded hole 11 to pre-tighten and position the rectangular sliding block support column 1 on the base or the fixing platform, so that the pipe fitting is in a proper measuring position.
When the bending angle measuring mechanism of the metal bent pipe is installed, the pipe fitting angle-changeable rotating plate 3 is installed firstly. The first rotating plate 31 and the second rotating plate 32 with scales are installed on a rotating plate installation position 12 on the rectangular sliding block strut after rotating for a certain angle, and then a fastening bolt 4 is screwed into a fastening thread 13 on the rectangular sliding block strut to implement pre-fastening; the four L-shaped sliding blocks 21 are respectively installed in the first installation groove 312 in the first rotating plate 31 and the second installation groove 322 in the second rotating plate 32 with scales, two L-shaped sliding blocks 21 are installed in each installation groove, a set screw is screwed into the first positioning threaded hole 211 on the L-shaped sliding block 21 for pre-tightening, and the positions of the L-shaped sliding blocks 21 on the two installation grooves 312 and 322 can be adjusted. Placing the pipe 5 into the L-shaped sliding blocks 21 of the clamping module 2 on the two rotating plates 31 and 32, adjusting the distance between the L-shaped sliding blocks 21, and then tightening the set screws for fixing; and the whole mounted mechanism is mounted in a mounting groove on the base or the fixed platform, and is screwed into the first positioning threaded hole 11 by a set screw for pre-tightening.
During measurement, the elbow 5 is firstly placed on the angle-changeable rotating plate 3, the position of the pipe fitting on the angle-changeable rotating plate 3 is adjusted according to the diameter, the bending radius and the bending angle of the elbow 5, the fastening bolt 4 is screwed after the two rotating plates 31 and 32 are fixed at a proper angle, the distance of the L-shaped sliding block 21 is adjusted, the clamping module 2 also has the function of rebound adjustment, only the two L-shaped sliding plates 21 of the first mounting groove 312 on the first rotating plate 31 with scales are fixed, the fastening screws in the second positioning threaded holes 211 on the two L-shaped sliding blocks 21 on the first rotating plate 31 with scales are screwed, the two sliding blocks 21 on the other second rotating plate 32 are in a pre-tightening state, so that the two L-shaped sliding blocks 21 on the first rotating plate 31 clamp the first straight line segment of the elbow 5, and the two L-shaped sliding blocks 21 on the second rotating plate 32 clamp, the other end of the set screw is slightly reserved with a certain margin. And the whole mounted mechanism is adjusted to a proper measuring position and then is mounted on a base or a fixed platform, and a set screw in the first positioning threaded hole 11 is screwed.
The bending angle and the resilience of the bent pipe can be accurately measured through the dial on the angle-changeable rotating plate, and the bending angle of the bent pipe can be obtained. The bent pipe with any bending angle can be placed by adjusting the included angle between the rotating plates, so that the bending machine is convenient and quick and is not limited by the bending angle. The L-shaped sliding blocks with different heights can be replaced according to the outer diameter of the pipe fitting, so that the clamping device is suitable for clamping and positioning the pipe fittings with different diameters. Finally, the bending angle measuring mechanism of the metal bent pipe adopts a modular design and can adjust and position the bent pipe through the adjusting rotating plate and the clamping module, and the bending angle measuring mechanism is convenient, quick, accurate and high in flexibility.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes in the form and details of the embodiments may be made and equivalents may be substituted for elements thereof. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The bending angle measuring mechanism of the metal bent pipe is characterized by comprising an angle-changeable rotating unit, a clamping unit and a supporting unit, wherein the clamping unit is arranged on the angle-changeable rotating unit and can move along the angle-changeable rotating unit; the angle-changeable rotating unit is fixed on the supporting unit.
2. The bending angle measuring mechanism of a metal bent pipe according to claim 1, wherein said angle-changeable rotating unit comprises a first rotating plate (31) with scales, a second rotating plate (32) with scales, and said clamping unit comprises four L-shaped sliding blocks (33); after the first rotating plate (31) with the scales and the second rotating plate (32) with the scales rotate for a certain angle, one end of each rotating plate is sleeved and fixed on the supporting unit; the other end of the first rotating plate (31) with scales and the other end of the second rotating plate (32) with scales are respectively provided with a first mounting groove (312) and a second mounting groove (322), and two L-shaped sliding blocks (33) are arranged in the first mounting groove (312) and the second mounting groove (322) and used for clamping the bent pipe.
3. The angle measuring mechanism of the metal elbow according to claim 2, characterized in that the L-shaped sliding block (33) is provided with a threaded hole, and when the L-shaped sliding block (33) is adjusted to a proper position, the L-shaped sliding block is fixed in the mounting groove by placing a set screw.
4. The bending angle measuring mechanism of the metal bent pipe according to claim 2, wherein the supporting unit is a rectangular sliding block pillar (1) which comprises a sliding block and a pillar that are fixedly connected, and the sliding block is provided with a first positioning threaded hole (11) for fixing.
5. The bending angle measuring mechanism of a metal elbow according to claim 4, wherein the top end of the rectangular sliding block pillar (1) is an optical axis and a threaded axis, one end of the first rotating plate (31) with scale and one end of the second rotating plate (32) with scale are respectively provided with a first mounting hole (311) and a second mounting hole (321), and the first mounting hole (311) and the second mounting hole (321) are sleeved on the top end of the pillar and fixed by a set screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296633.0A CN110899379A (en) | 2019-12-16 | 2019-12-16 | Bending angle measuring mechanism of metal bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296633.0A CN110899379A (en) | 2019-12-16 | 2019-12-16 | Bending angle measuring mechanism of metal bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110899379A true CN110899379A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911296633.0A Pending CN110899379A (en) | 2019-12-16 | 2019-12-16 | Bending angle measuring mechanism of metal bent pipe |
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| CN (1) | CN110899379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833855A (en) * | 2022-05-31 | 2022-08-02 | 浙江金马逊机械有限公司 | Pipe clamping device with variable angle and pipe clamping method |
-
2019
- 2019-12-16 CN CN201911296633.0A patent/CN110899379A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833855A (en) * | 2022-05-31 | 2022-08-02 | 浙江金马逊机械有限公司 | Pipe clamping device with variable angle and pipe clamping method |
| CN114833855B (en) * | 2022-05-31 | 2024-04-30 | 浙江金马逊智能制造股份有限公司 | Pipe fitting clamping device with variable angle and pipe fitting clamping method |
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