CN214952684U - Metal pipe flaring test device - Google Patents
Metal pipe flaring test device Download PDFInfo
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- CN214952684U CN214952684U CN202121690349.4U CN202121690349U CN214952684U CN 214952684 U CN214952684 U CN 214952684U CN 202121690349 U CN202121690349 U CN 202121690349U CN 214952684 U CN214952684 U CN 214952684U
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Abstract
The utility model relates to the technical field of test detection equipment, and discloses a metal tube flaring test device, wherein a base is arranged on an electronic universal test machine; the base is provided with an accommodating groove, the limiting seat is detachably arranged in the accommodating groove, the locking part can lock the limiting seat in the accommodating groove, the limiting seat is provided with an installing groove, and the sample metal tube is inserted in the installing groove; one end of the top core is detachably connected with an upper cross beam of the electronic universal testing machine, and the conical structure at the other end is inserted into the sample metal tube. The utility model discloses a spacing seat and retaining member can firmly be fixed in the base with the sample tubular metal resonator on, prevent that the sample tubular metal resonator from removing, improve the accuracy of testing result when guaranteeing test personnel's safety. Spacing seat demountable installation is on the base, and the ejector core can be dismantled with electron universal tester's entablature and be connected, can conveniently change the spacing seat and the ejector core of different specifications fast to test the sample tubular metal resonator of different specifications, improve detection efficiency.
Description
Technical Field
The utility model relates to an experimental check out test set technical field especially relates to a metal pipe flaring test device.
Background
The metal pipe flaring test is a test method for detecting the deformation performance of a metal pipe expanded from a radial direction to a specified diameter and displaying the defects of the metal pipe, and directly reflects the quality of the deformation performance of the pipe end flaring process. Specifically, in the metal pipe flaring test, a top core with a certain taper is pressed into one end of a metal pipe or metal welding pipe sample to uniformly expand the metal pipe or metal welding pipe sample to a flaring rate specified by related technical conditions, and then whether defects such as visible cracks exist at the flaring position or not is checked to judge whether the product is qualified or not.
In the prior art, when the flaring test is carried out on the test metal tube, the sample metal tube is not easy to fix firmly on the electronic universal testing machine, if the sample metal tube breaks away from the electronic universal testing machine in the process of pressing the ejection core, the tester is easy to be injured, great potential safety hazards exist, and the test detection result is influenced. In addition, the operation is inconvenient when changing the ejector core of different specifications among the prior art, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model aims to provide a tubular metal resonator flaring test device can be fixed firm with the sample tubular metal resonator, guarantees the accuracy of test result, can realize the quick replacement of different specification apical cores simultaneously to carry out the flaring test to the tubular metal resonator of different specifications, improve detection efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a metal tube flare testing apparatus comprising:
the base is arranged on the electronic universal testing machine;
the limiting assembly comprises a limiting seat and a locking part, wherein the base is provided with an accommodating groove, the limiting seat is detachably arranged in the accommodating groove, the locking part can lock the limiting seat in the accommodating groove, the limiting seat is provided with an installing groove, and the sample metal tube is inserted in the installing groove;
the device comprises a top core, wherein a conical structure is arranged at one end of the top core, the conical structure is inserted into the sample metal tube, the other end of the top core is detachably connected with an upper cross beam of an electronic universal testing machine, and the electronic universal testing machine can push the top core so that the conical structure expands the tube opening of the sample metal tube.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, the retaining member includes at least one locating pin, the locating pin radially inserts the base, and with spacing seat is connected.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, spacing subassembly still includes the push rod, radially seted up the direction through-hole on the base, the direction through-hole with the holding tank intercommunication, the push rod activity runs through the direction through-hole, and can with spacing seat butt.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, the holding tank is U type open slot, the push rod can promote spacing seat is in slide in the holding tank.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, the guide way has been seted up to the upper surface of base, the guide way with the extending direction of direction through-hole is the same, and with the holding tank intercommunication, the push rod can be followed the guide way promotes spacing seat.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, the apical core is kept away from the one end of toper structure is provided with the head rod, the head rod is kept away from the one end of apical core with the connection can be dismantled to electron universal tester's entablature.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, tubular metal resonator flaring test device still includes first round pin axle and second round pin axle, the head rod is kept away from the one end of apical core is passed through first round pin axle with the entablature of electron universal tester is connected, the bottom of base is provided with the second connecting rod, the second connecting rod passes through second round pin axle with the electron universal tester is connected.
As the utility model discloses a tubular metal resonator flaring test device's preferred scheme, the apical core is kept away from the one end of toper structure is provided with the threaded connection axle, the head rod is provided with the threaded connection hole along its axial, the threaded connection axle stretches into the threaded connection hole with the head rod is connected.
As the utility model discloses a metal pipe flaring test device's preferred scheme, spacing seat is provided with a plurality ofly, and is a plurality of the size of the mounting groove on the spacing seat is different, the ejector core is provided with a plurality ofly, and is a plurality of the cone angle of the toper structure of ejector core is different, every the ejector core is optionally with arbitrary spacing seat cooperation.
As a preferred embodiment of the metal pipe flare test apparatus of the present invention, the taper angles of the tapered structure of the plurality of the top cores are 30 °, 45 °, 60 °, and 74 °, respectively.
The utility model has the advantages that:
the utility model provides a tubular metal resonator flaring test device, when carrying out the tubular metal resonator flaring test, with pedestal mounting on electron universal tester, install spacing seat in the holding tank of base again, use the retaining member to be fixed in the holding tank with spacing seat. Then, a sample metal tube is inserted into the mounting groove of the limiting seat to position the sample metal tube, and one end of the top core is connected with an upper cross beam of the electronic universal testing machine, so that the end, with the conical structure, of the top core is inserted into a tube opening of the sample metal tube. And finally, starting the electronic universal testing machine to push the ejection core and expand the pipe orifice of the test metal pipe through the conical structure of the ejection core. And when the pipe orifice of the sample metal pipe is expanded to a preset size, closing the electronic universal testing machine, taking down the sample metal pipe for crack detection, and judging whether the sample metal pipe is qualified. The utility model provides a tubular metal resonator flaring test device can firmly be fixed in the base with the sample tubular metal resonator through spacing seat and retaining member on, prevents that the sample tubular metal resonator from removing, improves the accuracy of testing result when guaranteeing test personnel's safety. In addition, spacing seat demountable installation is on the base, and the ejector core can be dismantled with electron universal tester's entablature and be connected, can conveniently change the spacing seat and the ejector core of different specifications fast to test the sample tubular metal resonator of different specifications, improve detection efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a first view of a metal pipe flaring test apparatus according to an embodiment of the present invention;
fig. 2 is a second view (with the base and the first connecting rod hidden) of the metal pipe flaring test apparatus according to the embodiment of the present invention;
fig. 3 is a schematic view of a plurality of limiting seats of a metal pipe flaring test device according to an embodiment of the present invention;
fig. 4 is a schematic view of a plurality of top cores of a metal pipe flaring test apparatus according to an embodiment of the present invention.
In the figure:
1-a base; 2-a limiting component; 3-a top core; 4-sample metal tube; 5-a first connecting rod;
11-a holding tank; 12-a guide through hole; 13-a guide groove; 14-a second connecting rod;
21-a limiting seat; 22-a locking member; 23-a push rod;
211-a mounting groove; 212-a second connecting via;
31-a tapered structure; 32-threaded connection shaft.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and fig. 2, the present embodiment provides a metal tube flaring test device, which can be applied to a metal tube flaring test, and includes a base 1, a limiting assembly 2 and a top core 3.
Wherein, the base 1 is arranged on an electronic universal tester; the limiting assembly 2 comprises a limiting seat 21 and a locking piece 22, the base 1 is provided with an accommodating groove 11, the limiting seat 21 is detachably mounted in the accommodating groove 11, the locking piece 22 can lock the limiting seat 21 in the accommodating groove 11, the limiting seat 21 is provided with a mounting groove 211, and the sample metal tube 4 is inserted in the mounting groove 211; the one end of coring 3 is provided with toper structure 31, and toper structure 31 is inserted and is located in sample tubular metal resonator 4, and the other end of coring 3 can be dismantled with the entablature of electron universal tester and be connected, and electron universal tester can promote coring 3 to make toper structure 31 expand the mouth of pipe of sample tubular metal resonator 4.
In this embodiment, referring to fig. 4, the tapered structure 31 of the top core 3 is in a frustum shape, the top core 3 is made of high-strength die steel, and the top core 3 with different taper angles can be designed according to the test requirements.
When a metal pipe flaring test is performed, the base 1 is installed on the electronic universal testing machine, the limiting seat 21 is installed in the accommodating groove 11 of the base 1, and the limiting seat 21 is fixed in the accommodating groove 11 by using the locking piece 22. Then, the sample metal tube 4 is inserted into the mounting groove 211 of the limiting seat 21 to position the sample metal tube 4, and then one end of the top core 3 is connected with the upper cross beam of the electronic universal testing machine, so that the end of the top core 3 with the conical structure 31 is inserted into the tube orifice of the sample metal tube 4. Finally, the electronic universal testing machine is started to push the top core 3 and expand the pipe orifice of the test metal pipe through the conical structure 31 of the top core 3. And when the pipe orifice of the sample metal pipe 4 is expanded to a preset size, closing the electronic universal testing machine, taking down the sample metal pipe 4 for crack detection, and judging whether the sample metal pipe 4 is qualified. The metal tube flaring test device that this embodiment provided can firmly be fixed in sample metal tube 4 on base 1 through spacing seat 21 and retaining member 22, prevents that sample metal tube 4 from removing, improves the accuracy of testing result when guaranteeing test personnel safety. In addition, spacing seat 21 demountable installation can be dismantled on base 1, and the ejector core 3 can be dismantled with the entablature of electron universal tester and be connected, can conveniently change the spacing seat 21 and the ejector core 3 of different specifications fast to test the sample tubular metal resonator 4 of different specifications, improve detection efficiency.
As shown in fig. 1 and 2, the locking member 22 may optionally include at least one positioning pin, which is inserted into the base 1 in a radial direction and connected with the stopper seat 21. In this embodiment, preferably, there is one positioning pin. Base 1 and spacing seat 21 are the cylinder structure, and base 1 is last to have radially seted up first connect the via hole along it, first connect the via hole and holding tank 11 intercommunication, and spacing seat 21 is last to have radially seted up second connect the via hole 212 along it, and second connect the via hole 212 and mounting groove 211 intercommunication. When fixing spacing seat 21, the locating pin passes in second connect the via hole 212 again after first connect the via hole to spacing seat 21 is spacing in holding tank 11, prevents that spacing seat 21 from removing in holding tank 11, and then can prevent that sample tubular metal resonator 4 from removing for base 1. When the limiting seat 21 is replaced, the limiting can be released only by pulling out the positioning pin, and the replacement is convenient.
In other embodiments, a plurality of first connecting through holes may also be disposed on the base 1 at intervals along the circumferential direction thereof, correspondingly, a plurality of second connecting through holes 212 are disposed on the limiting seat 21 at intervals along the circumferential direction thereof, and the plurality of first connecting through holes and the plurality of second connecting through holes 212 are in one-to-one correspondence. When the limiting seat 21 is fixed, a positioning pin is inserted into each group of the first connecting through holes and the second connecting through holes 212, so that the limiting seat 21 is further fixed firmly, and the sample metal tube 4 is prevented from moving in the test process.
Optionally, the limiting assembly 2 further comprises a push rod 23, the base 1 is radially provided with a guide through hole 12, the guide through hole 12 is communicated with the accommodating groove 11, and the push rod 23 movably penetrates through the guide through hole 12 and can be abutted to the limiting seat 21. Namely, a gap is left between the push rod 23 and the guide through hole 12, so that the push rod 23 can be conveniently extended into or pulled out of the guide through hole 12. Further, in this embodiment, the receiving groove 11 is a U-shaped opening groove, and the push rod 23 can push the limiting seat 21 to slide in the receiving groove 11, that is, the limiting seat 21 and the receiving groove 11 are in clearance fit with each other. When the limiting seat 21 is replaced, the push rod 23 is inserted into the guide through hole 12 until the top end of the push rod 23 abuts against the outer peripheral wall of the limiting seat 21. Then, the push rod 23 is pushed continuously, so that the limiting seat 21 slides along the U-shaped open slot under the action of the push rod 23 until the limiting seat 21 moves to the end away from the receiving slot 11, which is in the U shape, so that the limiting seat 21 can be taken out for replacement. The design of U type open slot can avoid interfering with base 1 when taking spacing seat 21, realizes spacing seat 21's quick replacement.
Further preferably, the upper surface of the base 1 is further provided with a guide groove 13, and the guide groove 13 is in the same extending direction as the guide through hole 12 and is communicated with the accommodating groove 11. When the limiting seat 21 is replaced, the push rod 23 can be placed in the guide groove 13, and the limiting seat 21 is pushed along the guide groove 13.
Referring to fig. 2, a frustum structure is formed at one end of the push rod 23 contacting the limiting seat 21, so that the push rod 23 can be conveniently inserted into the guide through hole 12.
Preferably, the one end that the locating pin is located the base 1 outside and the one end that push rod 23 is located the base 1 outside all are provided with handheld portion, the operation of being convenient for take.
As shown in fig. 1, optionally, a first connecting rod 5 is disposed at an end of the top core 3 away from the tapered structure 31, and an end of the first connecting rod 5 away from the top core 3 is detachably connected to the upper cross beam of the electronic universal testing machine. Specifically, the metal tube flaring test device further comprises a first pin shaft and a second pin shaft, an upper chuck is installed on an upper cross beam of the electronic universal testing machine, and a sensor is connected to the upper chuck and used for detecting the pressure applied to the sample metal tube 4 in real time. The upper chuck is provided with a first pin hole, one end of the first connecting rod 5, which is far away from the top core 3, is provided with a second pin hole along the radial direction, and the first pin shaft penetrates through the first pin hole and the second pin hole to connect the first connecting rod 5 with the upper chuck of the electronic universal testing machine. Further, the bottom end of the base 1 is provided with a second connecting rod 14, one end, far away from the base 1, of the second connecting rod 14 is provided with a third pin hole along the radial direction, a fourth pin hole is formed in a lower chuck of the electronic universal testing machine, and a second pin shaft penetrates through the third pin hole and the fourth pin hole to connect the second connecting rod 14 with the lower chuck of the electronic universal testing machine, so that the base 1 is installed. The mode of round pin hub connection, easy dismounting can improve test efficiency.
Alternatively, referring to fig. 2, one end of the top core 3 away from the tapered structure 31 is provided with a threaded connection shaft 32, the first connection rod 5 is provided with a threaded connection hole along the axial direction thereof, and the threaded connection shaft 32 extends into the threaded connection hole so as to connect the threaded connection shaft 32 with the first connection rod 5. When the top core 3 is replaced, the top core 3 is only required to be screwed to enable the threaded connecting shaft 32 to be separated from the threaded connecting hole, the operation is simple, the replacement speed is high, and the improvement of the test efficiency is facilitated. Preferably, the threaded coupling shaft 32 is externally threaded with M16.
As shown in fig. 3 and 4, in the present embodiment, a plurality of limiting seats 21 are provided, the mounting grooves 211 on the plurality of limiting seats 21 have different sizes, that is, the diameters of the mounting grooves 211 are different, and the mounting grooves 211 with different sizes correspondingly mount the sample metal tubes 4 with corresponding sizes. The core 3 is provided with a plurality of core 3, the taper angle of the taper structure 31 of the plurality of core 3 is different, and each core 3 can be selectively matched with any limiting seat 21. That is, the specification of the stopper seat 21 is selected according to the pipe diameter of the sample metal pipe 4, and the specification of the core 3 is selected according to the test method or the material specification. For example, when the flaring test is performed on sample metal pipes 4 of the same size but different materials, the same stopper seat 21 may be used for fixation, but the test needs to be performed using the top cores 3 of different cone angles. The taper angle of the tapered structure 31 of the core 3 may be, for example, 30 °, 45 °, 60 °, 74 °, and the like, and may be selected according to different test standards and material specifications.
Furthermore, the outer side surface of the top core 3 is axially milled with a loading and unloading plane, so that the installation and operation are convenient.
Optionally, the length of the sample metal tube 4 is 2.5-4 times its tube diameter. The specific length can be selected according to the requirements of the test method or material specification, and the length of the sample metal tube 4 is not limited herein.
The metal pipe flaring test device provided by the embodiment has the following use method:
s1, mounting the base 1 on an electronic universal testing machine, and specifically, connecting and fixing the second connecting rod 14 and a lower chuck of the electronic universal testing machine by using a second pin shaft;
s2, selecting a limiting seat 21 with a corresponding size according to the outer diameter of the sample metal tube 4, and locking the limiting seat 21 on the base 1 by using a locking piece 22 (namely a positioning pin);
s3, connecting the first connecting rod 5 with an upper cross beam of the electronic universal testing machine, specifically, connecting the first connecting rod 5 with an upper chuck of the upper cross beam through a first pin shaft;
s4, selecting the top core 3 with a proper taper angle according to a test method or material specification, extending the threaded connecting shaft 32 of the top core 3 into the threaded connecting hole of the first connecting rod 5, and screwing the top core 3 to install the top core on the first connecting rod 5;
s5, inserting and installing the sample metal tube 4 in the installation groove 211 of the limiting seat 21, and fixing the sample metal tube 4;
s6, adjusting the position of the top core 3 according to the length of the sample metal tube 4, resetting the displacement of the upper cross beam, starting the electronic universal testing machine, and pressing the top core 3 at a certain displacement speed until the pipe orifice of the sample metal tube 4 is flared to a preset size;
and S7, closing the electronic universal testing machine, taking down the sample metal tube 4, and carrying out crack detection.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A metal tube flaring test device, comprising:
the base (1) is arranged on the electronic universal testing machine;
the limiting assembly (2) comprises a limiting seat (21) and a locking piece (22), wherein a containing groove (11) is formed in the base (1), the limiting seat (21) is detachably mounted in the containing groove (11), the locking piece (22) can lock the limiting seat (21) in the containing groove (11), a mounting groove (211) is formed in the limiting seat (21), and the sample metal tube (4) is inserted in the mounting groove (211);
the test tube comprises a top core (3), wherein a conical structure (31) is arranged at one end of the top core (3), the conical structure (31) is inserted into the sample metal tube (4), the other end of the top core (3) is detachably connected with an upper cross beam of the electronic universal testing machine, and the electronic universal testing machine can push the top core (3) so that the conical structure (31) is expanded to the tube opening of the sample metal tube (4).
2. The metal tube flare testing apparatus according to claim 1, wherein the locking member (22) comprises at least one positioning pin, and the positioning pin is radially inserted into the base (1) and connected with the stopper seat (21).
3. The metal pipe flaring test device of claim 1, wherein the limiting assembly (2) further comprises a push rod (23), a guide through hole (12) is radially formed in the base (1), the guide through hole (12) is communicated with the accommodating groove (11), and the push rod (23) movably penetrates through the guide through hole (12) and can be abutted to the limiting seat (21).
4. The metal tube flaring test device of claim 3, wherein said receiving groove (11) is a U-shaped open groove, and said push rod (23) can push said limit seat (21) to slide in said receiving groove (11).
5. The metal pipe flaring test device of claim 4, wherein a guide groove (13) is formed in the upper surface of the base (1), the guide groove (13) and the guide through hole (12) extend in the same direction and are communicated with the accommodating groove (11), and the push rod (23) can push the limiting seat (21) along the guide groove (13).
6. The metal pipe flaring test device of claim 1, wherein a first connecting rod (5) is arranged at one end of the top core (3) far away from the conical structure (31), and one end of the first connecting rod (5) far away from the top core (3) is detachably connected with an upper cross beam of the electronic universal testing machine.
7. The metal pipe flaring test device of claim 6, further comprising a first pin shaft and a second pin shaft, wherein one end of the first connecting rod (5) far away from the top core (3) is connected with an upper cross beam of the electronic universal tester through the first pin shaft, a second connecting rod (14) is arranged at the bottom end of the base (1), and the second connecting rod (14) is connected with the electronic universal tester through the second pin shaft.
8. The metal pipe flaring test device of claim 6, wherein an end of said top core (3) remote from said conical structure (31) is provided with a threaded connection shaft (32), said first connection rod (5) is provided with a threaded connection hole along an axial direction thereof, said threaded connection shaft (32) extends into said threaded connection hole to connect with said first connection rod (5).
9. The metal pipe flaring test device according to claim 1, wherein a plurality of limiting seats (21) are provided, the mounting grooves (211) on a plurality of limiting seats (21) are different in size, a plurality of top cores (3) are provided, the taper angles of the tapered structures (31) of the plurality of top cores (3) are different, and each top core (3) can be selectively matched with any one limiting seat (21).
10. The metal tube flare testing apparatus according to claim 9, wherein the taper angles of the taper structures (31) of the plurality of the top cores (3) are 30 °, 45 °, 60 °, and 74 °, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690349.4U CN214952684U (en) | 2021-07-23 | 2021-07-23 | Metal pipe flaring test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690349.4U CN214952684U (en) | 2021-07-23 | 2021-07-23 | Metal pipe flaring test device |
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| Publication Number | Publication Date |
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| CN214952684U true CN214952684U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121690349.4U Active CN214952684U (en) | 2021-07-23 | 2021-07-23 | Metal pipe flaring test device |
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|---|---|
| CN (1) | CN214952684U (en) |
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- 2021-07-23 CN CN202121690349.4U patent/CN214952684U/en active Active
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