CN211938761U - Portable flaring device - Google Patents
Portable flaring device Download PDFInfo
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- CN211938761U CN211938761U CN202020597727.3U CN202020597727U CN211938761U CN 211938761 U CN211938761 U CN 211938761U CN 202020597727 U CN202020597727 U CN 202020597727U CN 211938761 U CN211938761 U CN 211938761U
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- flaring
- pressure head
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Abstract
The utility model relates to a flaring device, in particular to a portable flaring device, which comprises a conical pressure head, a handle, a ball screw, a screw nut and a flaring frame, wherein the screw nut is fixed at the top of the flaring frame; the pipe fixing device is arranged at the bottom of the flaring frame and used for fixing the metal pipe and enabling the axis of the metal pipe to coincide with the axis of the conical pressure head. The utility model provides a pair of portable flaring device simple structure, convenient to use, portable, can accurate control flaring diameter, flaring are efficient.
Description
Technical Field
The utility model relates to a flaring device, especially a portable flaring device.
Background
The metal pipe is generally applied to various fields of nuclear power, aviation, aerospace, energy, chemical engineering, transportation and mining machinery, and therefore the metal pipe is required to have good plastic deformation capacity. The flaring test is specified in the European standard, ASME standard, ASTM standard and corresponding standard of national standard, and the plastic deformation capability of the material is examined by a press machine or a universal testing machine under the matching of a conical pressure head to ensure that the metal pipe reaches the flaring rate required by the standard without cracking. The shape of the test flared specimens is generally in accordance with the requirements of the European standards, ASME standards, ASTM standards and national standards.
At present, the flaring test of the small-caliber metal pipe is mostly carried out by adopting a press machine and a universal testing machine. The press machine and the universal testing machine are not special equipment for flaring tests, and before the flaring tests are carried out, the pressure head of the testing machine needs to be changed into a conical pressure head special for the flaring tests, so that great inconvenience is brought to the test work. In the flaring test, in order not to destroy the flaring test, the rising and falling speeds of the press machine and the universal testing machine are slow, and the test efficiency is low. In addition, due to the limitation of the control modes of the press machine and the universal testing machine, the position of the conical pressure head cannot be accurately controlled during testing, so that the diameter of the flared pipe is uncontrollable.
In actual engineering, the number of pipes used on site is large, although the metal pipe can be detected in a laboratory through a sample before being used, when a flaring test needs to be detected on site, a press machine or a universal testing machine cannot meet requirements, the equipment is inconvenient to move at any time, the metal pipe on site needs to be intercepted and tested, then the test pipe is sent to the laboratory to be detected, the field detection cannot be carried out, and the engineering progress is greatly influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can accurate control flaring diameter, convenient to use, detection efficiency height and conveniently carry a portable flaring device, concrete technical scheme is:
a portable flaring device comprises a conical pressure head, a handle, a ball screw, a screw nut and the like
The mouth expanding frame is characterized in that the feed screw nut is fixed on the top of the mouth expanding frame, the ball screw is movably inserted into the feed screw nut, the top of the ball screw is provided with a handle, and the bottom of the ball screw is provided with a conical pressure head; the pipe fixing device is arranged at the bottom of the flaring frame and used for fixing the metal pipe and enabling the axis of the metal pipe to coincide with the axis of the conical pressure head.
Through adopting above-mentioned technical scheme, drive ball screw through the handle and rotate, ball screw drives the circular cone pressure head and rotates and descend, and the mouth of pipe of circular cone pressure head to the metal pipe carries out the flaring, can stop at any time during the flaring and measure the diameter of flaring to guarantee that the diameter of flaring meets the requirements, guarantee accurate flaring diameter.
During flaring, only the conical pressure head is required to be adjusted to conveniently clamp the metal pipe, and then the handle is rotated to flare, so that flaring efficiency is greatly improved.
Because conical pressure head and ball screw all install on the flaring frame, consequently conveniently carry, be convenient for the scene to the metal pipe flaring test.
Further, the pipe fixing device is a three-jaw chuck.
Through adopting above-mentioned technical scheme, the three-jaw chuck can be from the line coincidence of centering to the axis of guaranteeing the tubular metal resonator and the circular cone pressure head, the convenient clamping need not to adjust the position of tubular metal resonator, has improved clamping efficiency greatly.
Furthermore, the device also comprises a rotating seat, wherein a conical pressure head is arranged at the bottom of the rotating seat, and the top of the rotating seat is rotationally connected with the ball screw.
Through adopting above-mentioned technical scheme, rotate the seat and make the circular cone pressure head not follow ball screw and rotate to it is more laborsaving when making the twist grip, need not to overcome the frictional force between circular cone pressure head and the tubular metal resonator, convenient to use.
Furthermore, the rotating seat is coaxially provided with a rotating hole, a limiting hole and a positioning hole in sequence from top to bottom, and the diameters of the rotating hole, the limiting hole and the positioning hole are sequentially increased; the bottom of the ball screw is provided with a rotating rod, and the rotating rod is movably inserted into the rotating hole; the conical pressure head is fixed in the positioning hole; the limiting nut is fixed at the tail end of the rotating rod and is located in the limiting hole.
Through adopting above-mentioned technical scheme, rotation hole and locating hole are used for guaranteeing ball screw, circular cone pressure head and tubular metal resonator on same axis.
The diameter of the rotating rod is smaller than that of the ball screw rod, so that a shaft shoulder is formed and is tightly pressed on the rotating seat.
The limiting nut enables the rotating seat and the conical pressure head to synchronously lift along with the ball screw.
Further, the device also comprises a flange, wherein the flange is fixed at the bottom of the rotating seat; the top of circular cone pressure head is equipped with the spacing ring, the spacing ring is located the locating hole, the flange is located the below of spacing ring.
Through adopting above-mentioned technical scheme, the convenient fixed circular cone pressure head of flange conveniently changes different circular cone pressure heads.
The device further comprises a guide plate, wherein the guide plate is fixed on the flaring frame, a guide hole is formed in the guide plate, and the conical pressure head is movably inserted into the guide hole.
Through adopting above-mentioned technical scheme, the deflector can assistance-localization real-time circular cone pressure head, because the dwang can rotate with rotating between the hole, consequently needs great clearance between the two, and the clearance between guiding hole and the circular cone pressure head can set up less to guarantee that the axis of circular cone pressure head is higher with the axis overlap ratio of tubular metal resonator, guarantee the flaring effect.
Further, the flaring frame comprises a top plate, and a screw rod nut is arranged on the top plate; the bottom plate is positioned below the top plate, and the three-jaw chuck is arranged on the bottom plate; and one end of the upright post is fixed on the top plate, and the other end of the upright post is fixed on the bottom plate.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a pair of portable flaring device simple structure, convenient to use, portable, can accurate control flaring diameter, flaring are efficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a sectional view of the rotating base.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 and 2, a portable flaring device comprises a conical pressure head 8, a handle 21, a ball screw 3, a screw nut 22 and a flaring frame, wherein the screw nut 22 is fixed on the top of the flaring frame, the ball screw 3 is movably inserted on the screw nut 22, the handle 21 is arranged on the top of the ball screw 3, and the conical pressure head 8 is arranged at the bottom of the ball screw 3; the pipe fixing device is arranged at the bottom of the flaring frame and used for fixing the metal pipe 9 and enabling the axis of the metal pipe 9 to coincide with the axis of the conical pressure head 8.
The ball screw 3 is driven to rotate through the handle 21, the ball screw 3 drives the conical pressure head 8 to rotate and descend, the conical pressure head 8 flares the opening of the metal pipe 9, and the diameter of the flared pipe can be stopped at any time during flaring so as to ensure that the diameter of the flared pipe meets the requirement and the accurate diameter of the flared pipe is ensured.
During flaring, only the conical pressure head 8 is required to be adjusted to conveniently clamp the metal pipe 9, and then the handle 21 is rotated to flare, so that flaring efficiency is greatly improved.
Because conical pressure head 8 and ball screw 3 all install on the flaring frame, consequently conveniently carry, be convenient for the scene to carry out the flaring test to tubular metal resonator 9.
The ball screw 3 can select a smaller screw pitch, so that the descending position of the conical pressure head 8 is easy to control, and the diameter of the flaring is ensured to be accurately controlled.
The flaring frame comprises a top plate 11, and a screw nut 22 is arranged on the top plate 11; the bottom plate 13, the bottom plate 13 locates under roof 11, the bottom plate 13 is equipped with the three-jaw chuck 7; and two upright columns 12 are symmetrically arranged on the two upright columns 12 and are positioned at two sides of the three-jaw chuck 7, one end of each upright column 12 is fixed on the top plate 11, the other end of each upright column 12 is fixed on the bottom plate 13. The two upright columns 12 ensure balanced stress, avoid the deformation of the upright columns 12 and ensure that the conical pressure head 8 and the metal pipe 9 are on the same axis.
The pipe fixing device is a three-jaw chuck 7. The three-jaw chuck 7 can self-center, so that the axis of the metal pipe 9 is coincident with the axis of the conical pressure head 8, the clamping is convenient, the position of the metal pipe 9 is not required to be adjusted, and the clamping efficiency is greatly improved.
The three-jaw chuck 7 can adopt a pneumatic chuck, and the pneumatic chuck is convenient and quick to use.
Lubricating grease or lubricating oil can be added between the conical pressing head 8 and the metal tube 9 during flaring, so that the friction force between the conical pressing head 8 and the metal tube 9 is reduced, and the handle 21 is convenient to rotate.
The diameter of the pipe orifice is measured by a caliper during flaring, and the flaring diameter of the conical pressure head 8 can be controlled by controlling the rotation angle of the handle 21.
Example two
On the basis of the first embodiment, as shown in fig. 3, the ball screw further comprises a rotating seat 4, a conical pressure head 8 is installed at the bottom of the rotating seat 4, and the top of the rotating seat is rotatably connected with the ball screw 3.
The rotating seat 4 enables the conical pressing head 8 not to rotate along with the ball screw 3, so that the handle 21 is more labor-saving when rotated, the friction force between the conical pressing head 8 and the metal pipe 9 does not need to be overcome, and the use is convenient.
The rotating seat 4 is coaxially provided with a rotating hole 41, a limiting hole 42 and a positioning hole 43 from top to bottom in sequence, and the diameters of the rotating hole 41, the limiting hole 42 and the positioning hole 43 are increased in sequence; the bottom of the ball screw 3 is provided with a rotating rod 31, and the rotating rod 31 is movably inserted into the rotating hole 41; the conical pressing head 8 is fixed in the positioning hole 43; and the device also comprises a limit nut 24, wherein the limit nut 24 is fixed at the tail end of the rotating rod 31 and is positioned in the limit hole 42.
The rotation hole 41 and the positioning hole 43 are used to ensure that the ball screw 3, the conical ram 8 and the metal tube 9 are on the same axis. The diameter of the rotary rod 31 is smaller than the diameter of the ball screw 3, so that a shoulder is formed, which is pressed against the rotary seat 4.
The limiting nut 24 enables the rotating seat 4 and the conical pressure head 8 to synchronously lift along with the ball screw 3.
The automatic opening expanding device further comprises a guide plate 6, the guide plate 6 is fixed on the opening expanding frame, a guide hole is formed in the guide plate 6, and the conical pressing head 8 is movably inserted into the guide hole. The deflector 6 can assist location circular cone pressure head 8, because dwang 31 and rotation need rotate between the hole 41, need great clearance between consequently, and the clearance between guiding hole and the circular cone pressure head 8 can set up less to guarantee that the axis of circular cone pressure head 8 is higher with the axis overlap ratio of tubular metal resonator 9, guarantee the flaring effect.
EXAMPLE III
On the basis of the second embodiment, the device further comprises a flange 5, wherein the flange 5 is fixed at the bottom of the rotating seat 4; the top of circular cone pressure head 8 is equipped with spacing ring 81, and spacing ring 81 is located locating hole 43, and flange 5 is used for fixed circular cone pressure head 8.
The flange 5 is convenient for fixing the conical pressure head 8, and different conical pressure heads 8 are convenient to replace.
When flaring, firstly turn to the handle 21 and lift the conical pressure head 8, then put the metal tube 9 into the three-jaw chuck 7, fix the metal tube 9 through the three-jaw chuck 7, then turn to the handle 21 reversely and press the conical pressure head 8 into the metal tube 9, and the conical pressure head 8 flares.
The flaring device is simple and convenient to operate and high in efficiency, can perform on-site flaring, is easy to control the flaring process, and can accurately control the diameter of the flaring.
Claims (7)
1. A portable flaring device comprises a conical pressure head, a handle, a ball screw and a screw nut, and is characterized by also comprising
The mouth expanding frame is characterized in that the feed screw nut is fixed on the top of the mouth expanding frame, the ball screw is movably inserted into the feed screw nut, the top of the ball screw is provided with a handle, and the bottom of the ball screw is provided with a conical pressure head;
the pipe fixing device is arranged at the bottom of the flaring frame and used for fixing the metal pipe and enabling the axis of the metal pipe to coincide with the axis of the conical pressure head.
2. The portable flaring device of claim 1,
the pipe fixing device is a three-jaw chuck.
3. The portable flaring device of claim 1,
the device is characterized by further comprising a rotating seat, wherein a conical pressure head is installed at the bottom of the rotating seat, and the top of the rotating seat is rotatably connected with the ball screw.
4. A portable flaring device according to claim 3,
the rotating seat is coaxially provided with a rotating hole, a limiting hole and a positioning hole in sequence from top to bottom, and the diameters of the rotating hole, the limiting hole and the positioning hole are sequentially increased;
the bottom of the ball screw is provided with a rotating rod, and the rotating rod is movably inserted into the rotating hole;
the conical pressure head is fixed in the positioning hole;
the limiting nut is fixed at the tail end of the rotating rod and is located in the limiting hole.
5. The portable flaring device of claim 4,
the flange is fixed at the bottom of the rotating seat;
the top of circular cone pressure head is equipped with the spacing ring, the spacing ring is located the locating hole, the flange is located the below of spacing ring.
6. The portable flaring device of claim 4,
the guide plate is fixed on the flaring frame, a guide hole is formed in the guide plate, and the conical pressure head is movably inserted into the guide hole.
7. The portable flaring device of claim 1,
the flaring frame comprises
The top plate is provided with a screw rod nut;
the bottom plate is positioned below the top plate, and the three-jaw chuck is arranged on the bottom plate;
and one end of the upright post is fixed on the top plate, and the other end of the upright post is fixed on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597727.3U CN211938761U (en) | 2020-04-20 | 2020-04-20 | Portable flaring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597727.3U CN211938761U (en) | 2020-04-20 | 2020-04-20 | Portable flaring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211938761U true CN211938761U (en) | 2020-11-17 |
Family
ID=73164575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020597727.3U Active CN211938761U (en) | 2020-04-20 | 2020-04-20 | Portable flaring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211938761U (en) |
-
2020
- 2020-04-20 CN CN202020597727.3U patent/CN211938761U/en active Active
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