NZ789687B2 - Pipe flaring device - Google Patents
Pipe flaring deviceInfo
- Publication number
- NZ789687B2 NZ789687B2 NZ789687A NZ78968721A NZ789687B2 NZ 789687 B2 NZ789687 B2 NZ 789687B2 NZ 789687 A NZ789687 A NZ 789687A NZ 78968721 A NZ78968721 A NZ 78968721A NZ 789687 B2 NZ789687 B2 NZ 789687B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- flaring
- pipe
- seat
- introduction mechanism
- force
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/021—Enlarging by means of tube-flaring hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
- B21D41/028—Enlarging by means of mandrels expandable mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
Abstract
Provided is a pipe flaring device comprising an installation housing (100), a transmission mechanism (200), a flaring bulge ring (300) and an introduction mechanism (400). The installation housing is provided with a flaring cavity (110) for a pipe to be inserted therein. The introduction mechanism is located in the flaring cavity. The flaring bulge ring is arranged outside the introduction mechanism in a sleeved manner. The introduction mechanism is connected to the transmission mechanism. The transmission mechanism comprises a supporting seat (210) provided with a guide sleeve (211), a transmission rod (220), a force-applying assembly (230), and a connecting assembly (240) used for driving the introduction mechanism to move in the flaring cavity. The introduction mechanism comprises a protection cover (410), a pipe-gripping sleeve (420) and a first elastic abutting member (430), a plurality of fixing tooth slots (421) provided on a side wall of the pipe-gripping sleeve along a circumferential direction of the first elastic abutting member, and fixing teeth (431) corresponding to the fixing tooth slots and configured to ensure the pipe does not move when the flaring bulge ring (300) enters the port/opening of the pipe. The first elastic abutting member (430) is configured for elastically abutting against the transmission rod (220), and the protection cover (410) is sleeved over the first elastic abutting member (430). The introduction mechanism is used for extending into the pipe, and the flaring bulge ring is used for circumferentially abutting against an end opening of the pipe. According to the pipe flaring device as configured, circumferential uniform abutting against the end opening of the pipe is achieved, thereby ensuring the stress uniformity of the pipe during flaring.
Claims (8)
1. A pipe flaring device, wherein the pipe flaring device comprises: an installation housing, a transmission mechanism, a flaring bulge ring and an introduction mechanism, wherein the installation housing is provided with a flaring cavity allowing a pipe to be inserted, the introduction mechanism is located in the flaring cavity, the flaring bulge ring is sleeved over the introduction mechanism, the introduction mechanism is connected with the transmission mechanism, the transmission mechanism is configured to drive the introduction mechanism to move in the flaring cavity, the introduction mechanism is configured to extend into the pipe, and the flaring bulge ring is configured for circumferentially abutting against a port of the pipe, wherein the transmission mechanism comprises a supporting seat, a transmission rod, a force-applying assembly and a connecting assembly, wherein the supporting seat is provided with a guide sleeve, the guide sleeve is installed in the flaring cavity, the supporting seat and the installation housing are installed and cooperated with each other, and the transmission rod has one end which is connected with the force-applying assembly through the connecting assembly, and the other end which passes through the guide sleeve to be connected with the introduction mechanism, wherein the introduction mechanism comprises a protection cover, a pipe- gripping sleeve and a first elastic abutting member, wherein the pipe- gripping sleeve is connected with the guide sleeve, the first elastic abutting member is movably connected with the pipe-gripping sleeve, a plurality of fixing tooth slots are provided on a side wall of the pipe-gripping sleeve along a circumferential direction of the pipe-gripping sleeve, fixing teeth corresponding to the fixing tooth slots are provided on the first elastic abutting member along a circumferential direction of the first elastic abutting member, the first elastic abutting member is configured for elastically abutting against the transmission rod, and the protection cover is sleeved over the first elastic abutting member.
2. The pipe flaring device according to claim 1, wherein the introduction mechanism further comprises a first flaring seat, the transmission mechanism further comprises a first fastener, the flaring bulge ring is mounted on the first flaring seat, the first flaring seat is movably sleeved over the guide sleeve, a strip-shaped opening is provided on the guide sleeve in an axial direction of the guide sleeve, a first fixing hole which is fixedly cooperated with the first fastener is provided on the first flaring seat, the transmission rod is provided with a second fixing hole which is fixedly cooperated with the first fastener, the second fixing hole is corresponding to the strip-shaped opening in position, and the first flaring seat is fixedly cooperated with the transmission rod through the first fastener.
3. The pipe flaring device according to claim 1, wherein the introduction mechanism further comprises a second flaring seat, a plurality of fixing members are arranged on the second flaring seat at intervals along a circumferential direction of the second flaring seat, the supporting seat is provided with a mounting hole allowing the fixing member to pass through, the flaring bulge ring is mounted on the second flaring seat, the second flaring seat is movably sleeved over the guide sleeve, and the fixing member is fixedly cooperated with the connecting assembly.
4. The pipe flaring device according to claim 1, wherein the introduction mechanism comprises a buffer sleeve, a second elastic abutting member and a buffer ring, wherein the second elastic abutting member is movably connected with the guide sleeve, the second elastic abutting member is configured for elastically abutting against the transmission rod, the buffer sleeve and the buffer ring are both sleeved on the second elastic abutting member, and both the buffer sleeve and the buffer ring are configured to abut against a pipe wall of the pipe.
5. The pipe flaring device according to claim 1, wherein the pipe flaring device further comprises a first positioning seat, wherein the first positioning seat is installed inside the installation housing, an end surface of the first positioning seat is configured to abut against a port of the pipe, the first positioning seat is provided with a first adapting port allowing the introduction mechanism to pass therethrough, an end of the first positioning seat is provided with a first abutting portion, the installation housing is provided with a second abutting portion that abuts and cooperates with the first abutting portion, wherein after the supporting seat and the installation housing are fixed by sleeving, one surface of the first abutting portion and the supporting seat abut against each other, and the other surface of the first abutting portion and the second abutting portion abut against each other.
6. The pipe flaring device according to claim 1, wherein the pipe flaring device further comprises a second positioning seat, wherein the second positioning seat is installed inside the installation housing, an end surface of the second positioning seat is configured to abut against a port of the pipe, the second positioning seat is provided with a second adapting port allowing the introduction mechanism to pass therethrough, the second positioning seat is provided with a limiting member, a first thread is provided along a circumferential direction of the installation housing, a second thread is provided along a circumferential direction of the second positioning seat, the supporting seat is provided with a limiting opening adapted to the limiting member, the limiting member passes through the limiting opening along an axial direction of the installation housing and is connected with the connection assembly, and the first thread is threadedly matched with the second thread.
7. The pipe flaring device according to claim 6, wherein a scale mark hole for measuring a depth position of the second positioning seat in the installation housing is provided along an axial direction of the installation housing.
8. The pipe flaring device according to any one of claims 1 to 7, wherein the force-applying assembly comprises a first force-applying arm, a second force-applying arm, a rotating member and a force transmission member, wherein the first force-applying arm and the second force-applying arm are rotatably cooperated with each other through the rotating member, the first force-applying arm is fixedly cooperated with the supporting seat, the first force-applying arm is provided with an assembling hole, and the force transmission member has one end connected with the second force- applying arm, and the other end which is connected with the connecting assembly through the assembling hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022608653.1U CN214211962U (en) | 2020-11-12 | 2020-11-12 | Pipe flaring device |
| PCT/CN2021/088128 WO2022100000A1 (en) | 2020-11-12 | 2021-04-19 | Pipe flaring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ789687A NZ789687A (en) | 2025-05-02 |
| NZ789687B2 true NZ789687B2 (en) | 2025-08-05 |
Family
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