CN211361944U - Positioning module for metal bent pipe springback measurement - Google Patents
Positioning module for metal bent pipe springback measurement Download PDFInfo
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- CN211361944U CN211361944U CN201921742410.8U CN201921742410U CN211361944U CN 211361944 U CN211361944 U CN 211361944U CN 201921742410 U CN201921742410 U CN 201921742410U CN 211361944 U CN211361944 U CN 211361944U
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Abstract
The utility model discloses a positioning module for metal elbow springback measurement, which comprises a lifting mechanism and a supporting mechanism arranged on the lifting mechanism; the supporting mechanism comprises an L-shaped base, a clamping plate, a bracket guide rail and a tray; the lifting mechanism comprises a workbench and a lead screw, a shell is arranged on the workbench, 2 bearings, 1 worm wheel and 1 worm are arranged in the shell, and the worm wheel is arranged between the 2 bearings; the utility model is simple in operation nimble, the commonality is strong.
Description
Technical Field
The utility model relates to a metal return bend is positioning module for resilience measurement.
Background
The metal pipe fitting is bent and formed by determining a reasonable fulcrum and a stress point and applying a certain bending moment or bending force. In the pipe bending forming process, the outer side of the bending deformation area is subjected to tangential tensile stress, and the pipe wall is thinned and even cracked; the inner side is stressed by tangential pressure, the pipe wall is thickened, and even unstability and wrinkling are caused; the resultant force of the two generates a radially inward compressive stress, which causes the cross section to flatten and distort, even collapse. After unloading, the spring back phenomenon is generated due to the residual stress in the bent pipe and the recovery of elastic deformation. Therefore, the problems of tension cracking, wrinkling, cross section distortion, resilience and the like are easily caused in the pipe bending forming process, and the method is a complex forming process with multiple forming defects.
When the metal bent pipe is applied to different fields, the forming performance indexes of the metal bent pipe, such as wall thickness reduction rate, wall thickness thickening rate, fold degree, ovality, resilience precision and the like, have corresponding standards or requirements. After each metal pipe fitting is bent and formed, the relevant forming performance indexes of the metal pipe fitting are measured. The shape forming springback precision can be measured by special equipment such as a 3D global coordinate measuring instrument, but the cost is high, and a special clamp needs to be designed. Manual positioning measurement can also be adopted, but the precision is not high and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a metal return bend resilience measurement is with positioning mechanism that easy operation, modularization degree are high, operating efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a positioning module for metal bent pipe springback measurement comprises a lifting mechanism and a supporting mechanism arranged on the lifting mechanism;
the supporting mechanism comprises an L-shaped base, a clamping plate, a bracket guide rail and a tray; the tray is provided with a bracket guide rail, and the bracket guide rail is provided with an L-shaped base; the L-shaped base is provided with a clamping plate, and a torsional spring is arranged in the joint of the L-shaped base and the clamping plate;
the lifting mechanism comprises a workbench and a lead screw, a shell is arranged on the workbench, 2 bearings, 1 worm wheel and 1 worm are arranged in the shell, and the worm wheel is arranged between the 2 bearings; the worm wheel is in threaded connection with the worm; the shell is provided with an upper cover, and a screw nut is arranged below the workbench; the lead screw sequentially penetrates through the upper cover, a bearing and a worm wheel in the shell, the workbench and the lead screw nut from top to bottom; and the lead screw is sleeved with a lead screw protective sleeve; the worm wheel is in threaded connection with the lead screw; the worm is fixedly connected with the handle through an inner hexagon nut; the handle is provided with a locking device, and the locking device is arranged on the outer side wall surface of the shell.
A fourth through hole is formed in the inner end of a support guide rail in the supporting mechanism, and a rectangular groove for mounting the L-shaped base is formed in the outer end of the support guide rail;
more than 1 tray mounting column is mounted on the upper surface of the tray, and the upper end of each tray mounting column is provided with a thread; the center of the lower surface of the tray is provided with a threaded hole for connecting with a thread on a screw rod on the lifting mechanism; a datum line for adjusting levelness is arranged on the periphery of the tray; the tray mounting column penetrates through the fourth through hole of the support guide rail, and then the thread on the tray mounting column is screwed with the internal thread of the locking nut;
the upper surface of the L-shaped base is provided with a mounting platform of a clamping plate and a fourth mounting hole, the middle of the bottom of the L-shaped base is provided with a base mounting column, and the outer end of the base mounting column is provided with a thread; the clamping plate is hinged with a fourth mounting hole on the mounting platform of the L-shaped base through a pin; and the base mounting column penetrates through the rectangular groove of the support guide rail, and then the thread on the base mounting column is screwed with the internal thread of the locking nut.
More than 1 groove is formed in the end face of a locking device in the lifting mechanism, a clamping block is installed in each groove, and more than 1 first installation hole for being fixedly connected with a shell is formed in the periphery of the locking device; a first through hole for the handle to penetrate through is formed in the middle of the locking device;
the shell comprises an installation platform, an installation cavity for installing a bearing and a worm wheel is installed on the installation platform, and a second through hole for installing a lead screw is formed in the middle in the installation cavity of the shell; a second mounting hole for mounting the worm is formed in the side edge of the mounting cavity, a third through hole fixedly connected with the workbench is formed in the mounting platform, and the mounting platform is fixedly connected with the workbench through a screw by virtue of the third through hole;
more than 1 third mounting hole is formed in the periphery of the upper cover, and the upper cover is fixedly connected with the shell through screws by utilizing the third mounting holes;
the upper end of the screw rod is provided with a thread matched with the supporting mechanism.
The utility model has the advantages as follows:
(1) the installation angle of the bracket guide rail and the tray can be adjusted at will, so that the device can be suitable for measuring the resilience precision of the bent pipe with any bending angle; because the outer end is processed with the rectangular channel, the mounting position of the L-shaped base on the support guide rail is adjustable, and the device is suitable for measuring the resilience precision of bent pipes with different bending radiuses.
(2) The torsional spring provides the clamp force, makes splint press from both sides tight the measuring return bend, prevents that the return bend from sliding, measures and improves measurement accuracy.
(3) The tray adopts frame type fretwork design, reducible dead weight, improves the stability of mechanism, improves the support positioning accuracy of mechanism.
(4) After the handle is shaken to drive the lifting mechanism to adjust the height of the supporting mechanism to meet the requirement, the clamping block is clamped into one of the grooves of the locking device, so that the supporting mechanism is kept at a constant height to improve the measurement precision.
(5) The cover is installed above the shell and fixedly connected through the screws so as to prevent dust and other impurities from entering the installation cavity of the worm wheel, and the service life of the mechanism can be prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the lift mechanism of FIG. 1;
FIG. 3 is an enlarged view of a portion of the worm gear, lead screw, and worm of FIG. 1;
FIG. 4 is an enlarged schematic view of the tray of FIG. 1;
FIG. 5 is an enlarged schematic view of the L-shaped base of FIG. 1;
FIG. 6 is an enlarged schematic view of the locking device of FIG. 1;
FIG. 7 is an enlarged schematic view of the housing of FIG. 1;
fig. 8 is an enlarged schematic view of the lead screw of fig. 1.
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 present invention will become more apparent, and the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The positioning module for measuring springback of a metal bent pipe in this embodiment, as shown in fig. 1 to 8, includes a lifting mechanism 2, and a supporting mechanism 1 installed on the lifting mechanism 2;
the supporting mechanism 1 comprises an L-shaped base 11, a clamping plate 12, a bracket guide rail 13 and a tray 14; a bracket guide rail 13 is arranged on the tray 14, and an L-shaped base 11 is arranged on the bracket guide rail 13; a clamping plate 12 is arranged on the L-shaped base 11, and a torsion spring 121 is arranged in the joint of the L-shaped base 11 and the clamping plate 12; to provide a clamping force;
the lifting mechanism 2 comprises a workbench 202 and a lead screw 21, a shell 28 is mounted on the workbench 202, 2 bearings 24, 1 worm wheel 22 and 1 worm 23 are mounted in the shell 28, and the worm wheel 22 is mounted between the 2 bearings 24; the worm wheel 22 is in threaded connection with the worm 23; an upper cover 29 is arranged on the shell 28, and a screw nut 25 is arranged below the workbench 202; the lead screw 21 sequentially passes through the upper cover 29, the bearing 24 and the worm wheel 22 in the shell 28, the workbench 202 and the lead screw nut 25 from top to bottom; the lead screw 21 is sleeved with a lead screw protective sleeve 203; the worm wheel 22 is in threaded connection with the lead screw 21; the worm 23 is fixedly connected with the handle 26 through an inner hexagon nut; the handle 26 is provided with a locking device 27, and the locking device 27 is arranged on the outer side wall surface of the shell 28.
The inner end of the support guide rail 13 in the support mechanism 1 is provided with a fourth through hole 131, and the outer end of the support guide rail 13 is provided with a rectangular groove 132 for mounting the L-shaped base 11;
3 tray mounting columns 141 are mounted on the upper surface of the tray 14, and threads are machined at the upper ends of the tray mounting columns 141; the center of the lower surface of the tray 14 is provided with a threaded hole 142 for connecting with the thread on the screw 21 on the lifting mechanism 2; a reference line 143 for adjusting levelness is installed on the periphery of the tray 14; the screw thread of the tray mounting column 141 after passing through the fourth through hole 131 of the bracket guide rail 13 is screwed with the internal screw thread of the locking nut 15;
the upper surface of the L-shaped base 11 is provided with a mounting platform 111 and a fourth mounting hole 112 of the clamping plate 12, the middle of the bottom of the L-shaped base 11 is provided with a base mounting column 113, and the outer end of the base mounting column 113 is processed with threads; the clamping plate 12 is hinged with a fourth mounting hole 112 on a mounting platform 111 of the L-shaped base 11 through a pin; the base mounting post 113 is threaded through the rectangular slot 132 of the bracket rail 13 and then threadedly engaged with the internal thread of the lock nut 15.
3 grooves 271 are formed in the end face of the locking device 27 in the lifting mechanism 2, a clamping block 201 is installed in each groove 271, the clamping block 201 is clamped in one groove 271 of the locking device 27, and the position of the handle 26 is fixed, so that the screw 21 is kept at a fixed height; 4 first mounting holes 272 fixedly connected with the shell 28 are formed around the locking device 27; a first through hole 273 for the handle 26 to pass through is formed in the middle of the locking device 27;
the shell 28 comprises an installation platform 284, an installation bearing 224 and an installation cavity 281 of the worm wheel 22 are installed on the installation platform 284, and a second through hole 282 for installing the screw 21 is formed in the middle of the installation cavity 281 of the shell 28; a second mounting hole 283 for mounting the worm 23 is formed in the side edge of the mounting cavity 281, 4 third through holes 285 fixedly connected with the workbench 202 are formed in the mounting platform 284, and the mounting platform 284 is fixedly connected with the workbench 202 through screws by utilizing the third through holes 285;
4 third mounting holes 291 are formed in the periphery of the upper cover 29, and the upper cover 29 is fixedly connected with the shell 28 through the third mounting holes 291 by screws;
the upper end of the screw rod 21 is provided with a thread 211 matched with the supporting mechanism.
During installation and debugging, the supporting mechanism 1 is adjusted first and then adjusted. Firstly, mounting the support guide rail 13 on the tray 14, and then preliminarily adjusting the position of the support guide rail 13 on the tray 14 according to the bending angle of the metal bent pipe 3 to be supported and positioned, and pre-tightening; secondly, the L-shaped base 11 is arranged on the tray 14, the clamping plates 12 are arranged on the L-shaped bases 11 on the two sides, and then the position of the L-shaped base 11 on the support guide rail 13 is preliminarily adjusted and pre-tightened according to the bending radius of the metal bent pipe 3 to be supported and positioned; then placing the metal bent pipe 3 to be measured on the L-shaped base 11, adjusting the installation angle of the support guide rail 13 and the installation position of the L-shaped base 11, so that the bent section of the metal bent pipe 3 to be measured is placed on the middle L-shaped base 11, and the two straight line sections are respectively positioned on the other two L-shaped bases 11 with the clamping plates 12, so that the clamping plates 12 clamp the metal bent pipe 3; after the adjustment is completed, the lock nut 15 is tightened.
Then, the height of the support mechanism 1 is adjusted by adjusting the lifting mechanism 2. The handle 26 is shaken, the handle 26 is connected with the worm 23, the worm 23 is in threaded transmission with the worm wheel 22, the worm wheel 22 is in threaded transmission with the lead screw 21, the lead screw 21 is fixedly connected with the tray 14 in the supporting mechanism 1 so as to drive the supporting mechanism 1 to move up and down, after the required height is adjusted, the fixture block 201 is clamped into one groove 271 of the locking device 27, so that the supporting mechanism 1 is kept at a fixed height, and the measurement accuracy is improved.
In the positioning module for measuring the springback of the metal bent pipe, the installation angle between the support guide rail and the tray can be adjusted at will, so that the positioning module can be suitable for measuring the springback precision of the bent pipe with any bending angle; because the outer end is processed with the rectangular channel, the mounting position of the L-shaped base on the support guide rail is adjustable, and the device is suitable for measuring the resilience precision of bent pipes with different bending radiuses. The second torsional spring provides the clamp force, makes splint press from both sides tight measuring return bend, prevents that the return bend from sliding, measures and improves measurement accuracy. The third tray adopts frame type fretwork design, reducible dead weight, improves the stability of mechanism, improves the support positioning accuracy of mechanism. And fourthly, after the handle is shaken to drive the lifting mechanism to adjust the height of the supporting mechanism so as to meet the requirement, the clamping block is clamped into one groove of the locking device, so that the supporting mechanism is kept at a constant height, and the measurement precision is improved. The fifth cover is installed above the shell and fixedly connected through screws so as to prevent dust and other impurities from entering the installation cavity of the worm wheel, and the service life of the mechanism can be prolonged.
Claims (3)
1. A positioning module for metal bent pipe springback measurement is characterized by comprising a lifting mechanism (2) and a supporting mechanism (1) arranged on the lifting mechanism (2);
wherein the supporting mechanism (1) comprises an L-shaped base (11), a clamping plate (12), a bracket guide rail (13) and a tray (14); a bracket guide rail (13) is arranged on the tray (14), and an L-shaped base (11) is arranged on the bracket guide rail (13); a clamping plate (12) is arranged on the L-shaped base (11), and a torsion spring (121) is arranged in the joint of the L-shaped base (11) and the clamping plate (12);
the lifting mechanism (2) comprises a workbench (202) and a lead screw (21), a shell (28) is mounted on the workbench (202), 2 bearings (24), 1 worm wheel (22) and 1 worm (23) are mounted in the shell (28), and the worm wheel (22) is mounted between the 2 bearings (24); the worm wheel (22) is in threaded connection with the worm (23); an upper cover (29) is arranged on the shell (28), and a screw nut (25) is arranged below the workbench (202); the lead screw (21) sequentially penetrates through the upper cover (29), a bearing (24) and a worm wheel (22) in the shell (28), the workbench (202) and the lead screw nut (25) from top to bottom; the lead screw (21) is sleeved with a lead screw protective sleeve (203); the worm wheel (22) is in threaded connection with the lead screw (21); the worm (23) is fixedly connected with the handle (26) through an inner hexagonal nut; the handle (26) is provided with a locking device (27), and the locking device (27) is arranged on the outer side wall surface of the shell (28).
2. The positioning module for measuring the springback of the metal bent pipe according to claim 1, wherein a fourth through hole (131) is formed at the inner end of a support guide rail (13) in the supporting mechanism (1), and a rectangular groove (132) for mounting an L-shaped base (11) is formed at the outer end of the support guide rail (13);
more than 1 tray mounting column (141) is mounted on the upper surface of the tray (14), and the upper end of each tray mounting column (141) is provided with a thread; the center of the lower surface of the tray (14) is provided with a threaded hole (142) for connecting with a thread on a screw rod (21) on the lifting mechanism (2); a datum line (143) for adjusting levelness is arranged on the periphery of the tray (14); the tray mounting column (141) penetrates through the fourth through hole (131) of the bracket guide rail (13), and then the thread on the tray mounting column is screwed with the internal thread of the locking nut (15);
the upper surface of the L-shaped base (11) is provided with a mounting platform (111) and a fourth mounting hole (112) of the clamping plate (12), a base mounting column (113) is mounted in the middle of the bottom of the L-shaped base (11), and the outer end of the base mounting column (113) is processed with threads; the clamping plate (12) is hinged with a fourth mounting hole (112) on a mounting platform (111) of the L-shaped base (11) through a pin; the base mounting column (113) penetrates through the rectangular groove (132) of the support guide rail (13), and then the thread on the base mounting column is connected with the internal thread of the locking nut (15) in a screwing mode.
3. The positioning module for measuring the springback of the metal bent pipe according to claim 1, wherein the end surface of the locking device (27) in the lifting mechanism (2) is provided with more than 1 groove (271), the groove (271) is provided with the fixture block (201), and the periphery of the locking device (27) is provided with more than 1 first mounting hole (272) fixedly connected with the housing (28); a first through hole (273) for the handle (26) to pass through is formed in the middle of the locking device (27);
the outer shell (28) comprises an installation platform (284), an installation cavity (281) for installing the bearing (224) and the worm wheel (22) is installed on the installation platform (284), and a second through hole (282) for installing the lead screw (21) is formed in the middle of the installation cavity (281) of the outer shell (28); a second mounting hole (283) for mounting the worm (23) is formed in the side edge of the mounting cavity (281), a third through hole (285) fixedly connected with the workbench (202) is formed in the mounting platform (284), and the mounting platform (284) is fixedly connected with the workbench (202) through a screw by virtue of the third through hole (285);
more than 1 third mounting hole (291) is formed in the periphery of the upper cover (29), and the upper cover (29) is fixedly connected with the shell (28) through screws by utilizing the third mounting holes (291);
the upper end of the lead screw (21) is provided with a thread (211) matched with the supporting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742410.8U CN211361944U (en) | 2019-10-17 | 2019-10-17 | Positioning module for metal bent pipe springback measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742410.8U CN211361944U (en) | 2019-10-17 | 2019-10-17 | Positioning module for metal bent pipe springback measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211361944U true CN211361944U (en) | 2020-08-28 |
Family
ID=72162346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921742410.8U Active CN211361944U (en) | 2019-10-17 | 2019-10-17 | Positioning module for metal bent pipe springback measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211361944U (en) |
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2019
- 2019-10-17 CN CN201921742410.8U patent/CN211361944U/en active Active
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