CN217617341U - Tool for pipe flaring - Google Patents
Tool for pipe flaring Download PDFInfo
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- CN217617341U CN217617341U CN202221127991.6U CN202221127991U CN217617341U CN 217617341 U CN217617341 U CN 217617341U CN 202221127991 U CN202221127991 U CN 202221127991U CN 217617341 U CN217617341 U CN 217617341U
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- flaring
- fixed
- tool
- pipe
- conical head
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Abstract
The utility model discloses a tool for pipe flaring, which comprises a flaring device, a pipe wrench and a mould, wherein the flaring device comprises a base and a conical head, the base comprises a fixed shaft and a fixed disc, the fixed disc is provided with an inclined centripetal rotary groove, and the conical head is rotationally fixed in the rotary groove; the tyre is detachably fixed on the pipe wrench, the conical head is connected with the rotary groove through the bearing, the number of the conical head and the rotary groove is three, and the conical head and the rotary groove are uniformly distributed on the fixed disc. The utility model provides an instrument for pipe flaring, cooperation lathe uses, and the flaring ware structure has reduced the intensity requirement, can be suitable for the pipe fitting of different bores, and spare part is changed conveniently.
Description
Technical Field
The utility model relates to a pipe-machining field, concretely relates to pipeline flaring instrument.
Background
In the fields of hydraulic pressure, high-pressure squirt washing and high-pressure air pipelines and the like, the flaring of the pipe is widely used, the used pipe is special in material and difficult to process, the smoothness of the flaring position of the pipe is required to be good, cracks cannot occur in addition, and if cracks occur in the flaring position in the processing process, the pipeline connection tightness can be greatly influenced, the use requirement cannot be met, and the assembly of the pipeline can be influenced. However, the existing flaring equipment generally adopts a stamping mode, cracks are easily generated at the flaring part, and the smoothness is not enough.
The patent "pipe end flaring device" (application number: 201520359976) discloses a flaring device, which flares a pipe opening by using a rolling cone, but the device with the structure has the advantages that the rotating table is adjusted by using an eccentric device, the structural strength requirement on the device is high, and when the middle fixed position is loosened, flaring is deviated. And the whole structure of the clamp of the pipe fitting is large, so that the clamp is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an instrument for pipe flaring through setting up three rotatable conical head and central awl, reduces flaring device's structural strength requirement to adopt type child and breakout tongs to cooperate, be applicable to different kinds of pipe processing.
A tool for pipe flaring comprises a flaring device, pipe tongs and a tire, wherein the flaring device comprises a base and a conical head, the base comprises a fixed shaft and a fixed disk, the fixed disk is provided with an inclined centripetal rotary groove, and the conical head is rotatably fixed in the rotary groove; the mould is detachably fixed on the pipe wrench.
Preferably, the cone head is connected with the rotary groove through a bearing.
Preferably, the number of the conical heads and the rotary grooves is three, and the conical heads and the rotary grooves are uniformly distributed on the fixed disc.
Preferably, the flaring device further comprises a central cone, the central cone is rotatably arranged in the middle of the fixed disc, and the central cone and the tip of the cone head converge at one point.
Preferably, a through hole is formed in the axial lead of the base, a steel ball and a fastening pin are arranged in the through hole, the steel ball is clamped between the central cone and the fastening pin, the fastening pin is movably fixed in the base through threads, and the fastening pin can push the steel ball and the central cone to move.
Preferably, the end face of the rotary groove far away from the conical head is sealed by a spiral plug.
Preferably, the pipe tongs comprise a fixed jaw and a movable jaw, wherein the lower end of the fixed jaw is connected with the lower end of the movable jaw through a rotating shaft, the upper end of the fixed jaw is connected with a fastening nut through a slipknot bolt, and a clamping part for accommodating the tire is formed between the fixed jaw and the movable jaw.
Preferably, the pipe wrench clamping part is provided with a positioning screw, and the mould is provided with a positioning groove matched with the positioning screw.
Preferably, the tyre consists of two symmetrical semi-circular tubes.
The utility model provides an instrument for pipe flaring, cooperation lathe uses, and the flaring ware structure has reduced the intensity requirement, can be suitable for the pipe fitting of different bores, and spare part is changed conveniently.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the internal structure of a flaring device;
FIG. 2 is a schematic view of a pipe wrench;
FIG. 3 is a schematic cross-sectional view of a tire
Shown in the figure: 1-flaring device, 2-pipe wrench, 3-tire, 11-base, 12-conical head, 13-central cone, 111-fixed shaft, 112-fixed disc, 113-rotary groove, 114-steel ball, 115-fastening pin, 116-spiral plug, 121-bearing, 21-fixed jaw, 22-movable jaw, 23-slipknot bolt, 24-fastening nut, 25-positioning screw and 31-positioning groove.
Detailed Description
To further illustrate the concept of the present invention, the following embodiments of the present invention will be further described with reference to the accompanying drawings:
a tool for pipe flaring comprises a flaring device 1, pipe tongs 2 and a tire 3, wherein the flaring device 1 comprises a base 11 and a conical head 12 as shown in figure 1, the base 11 consists of a fixed shaft 111 and a fixed disc 112, the fixed disc 112 is provided with a tilted centripetal rotary groove 113, the conical head 12 is rotatably fixed in the rotary groove 113, and the conical head 12 gradually draws close to the central axis of the base 11 from the bottom to the tip; the mould 3 is detachably fixed to the pipe wrench 2. The conical head 12 is connected to the rotary groove 113 through a bearing 121, and the bearing 121 is provided in the rotary groove 113, so that the conical head 12 can smoothly rotate, and the two bearings 121 may be provided and spaced apart from each other by a bushing.
In order to reduce the load of the conical head 12, the number of the conical head 12 and the number of the rotary groove 113 are three, the conical heads 12 and the rotary groove 113 are uniformly distributed on the fixed disk 112, and flaring work is simultaneously performed by using the three conical heads 12. And a central cone 13 can be arranged on the flaring device 1, the central cone 13 can be rotatably arranged in the middle of the fixed disc 112, the central cone 13 and the tip of the conical head 12 are converged at one point, and the central cone 13 can provide a fulcrum of the tip of the conical head 12, so that the load capacity of the conical head 12 is improved.
When the central cone 13 is arranged on the base 11, sometimes the central cone 13 is attached to the cone head 12 too tightly, but the free rotation of the cone head 12 is affected, and the support cannot be provided if the central cone is too loose, so that a through hole is arranged on the axis of the base 11, a steel ball 114 and a fastening pin 115 are arranged in the through hole, the steel ball 114 is clamped between the central cone 13 and the fastening pin 115, the fastening pin 115 is movably fixed in the base 11 through threads, the steel ball 114 is pushed to move by rotating the fastening pin 115, the central cone 13 is further moved, and the tightness degree of the central cone 13 and the cone head 12 is adjusted.
In order to replace the conical head 12 when the conical head 12 is damaged, the end face of the rotary groove 113 far away from the conical head 12 is sealed by the spiral plug 116, when the conical head 12 is damaged, the spiral plug 116 can be screwed out to replace the conical head 12, and the extending length of the conical head 12 can be adjusted by the spiral plug 116.
As shown in fig. 2 and 3, in order to fix the pipe, the pipe wrench 2 includes a fixed jaw 21 and a movable jaw 21, the lower end of the fixed jaw 21 is connected with the lower end of the movable jaw 21 through a rotating shaft, the upper end of the fixed jaw 21 is connected with a fastening nut 24 through a slipknot bolt 23, a clamping portion for accommodating the tire 3 is formed between the fixed jaw 21 and the movable jaw 21, and the size of the opening of the fixed jaw 21 and the opening of the movable jaw 21 can be adjusted by using the fastening nut 24 and the slipknot bolt 23 at the upper end, so as to facilitate fixing and taking out of the tire 3. Meanwhile, a positioning screw 25 can be arranged on the clamping part of the pipe wrench 2, and a positioning groove 31 matched with the positioning screw 25 is arranged on the mould 3, so that the mould 3 is prevented from moving in the processing process. The mould 3 is divided into two parts, namely two symmetrical semicircular pipes, so that the pipe fittings can be conveniently clamped, the internal shape of the mould 3 is determined according to the shape required to be processed, a plurality of moulds 3 with different internal shapes can be manufactured, and the processing requirements of different models and different flaring can be met.
When the flaring device is used, the flaring device 1 is clamped on a lathe rotating shaft through the fixed shaft 111 of the base 11, the pipe tongs 2 are clamped and fixed on the bench vice or the fixed section, the end opening of a pipe fitting to be machined is clamped in the mould 3, the mould 3 is clamped in the bench vice, the mould 3 is fixed by rotating the positioning screw 25, the lathe is started to enable the flaring device 1 to rotate in height, the flaring device 1 is slowly adjusted to be close to the end opening of the pipe fitting, and flaring operation can be completed. The utility model provides an instrument for pipe flaring, three conical head 12 of during operation can rotate simultaneously, promotes unit work efficiency when reducing 1 load of flaring ware, and the flaring is level and smooth, can not produce the crackle, can effectual increase flaring efficiency and reduce cost, and the structure is small and exquisite, simple, portable. In order to ensure the best flaring effect, the axial included angle of the adjacent conical heads 12 is between 58 degrees and 88 degrees.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and changes, and any modifications, equivalent replacements, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A tool for flaring a pipe, comprising a flaring device (1), a pair of pipe tongs (2) and a mould (3), characterized in that: the flaring device (1) comprises a base (11) and a conical head (12), wherein the base (11) consists of a fixed shaft (111) and a fixed disc (112), an inclined centripetal rotary groove (113) is formed in the fixed disc (112), and the conical head (12) is rotatably fixed in the rotary groove (113); the mould (3) is detachably fixed on the pipe wrench (2).
2. The tool for flaring a tube according to claim 1, wherein: the conical head (12) is connected with the rotary groove (113) through a bearing (121).
3. The tool for flaring a tube according to claim 2, wherein: the number of the conical heads (12) and the number of the rotary grooves (113) are three, and the conical heads and the rotary grooves are uniformly distributed on the fixed disc (112).
4. The tool for flaring a tube according to claim 3, characterized in that: the flaring device (1) further comprises a central cone (13), the central cone (13) is rotatably arranged in the middle of the fixed disk (112), and the tip of the central cone (13) and the tip of the cone head (12) are converged at one point.
5. The tool for flaring a tube according to claim 4, characterized in that: the axial lead of the base (11) is provided with a through hole, a steel ball (114) and a fastening pin (115) are arranged in the through hole, the steel ball (114) is clamped between the central cone (13) and the fastening pin (115), the fastening pin (115) is movably fixed in the base (11) through threads, and the fastening pin (115) can push the steel ball (114) and the central cone (13) to move.
6. The tool for flaring a tube according to any one of claims 2 to 5, wherein: the end surface of the rotary groove (113) far away from the conical head (12) is sealed by a spiral plug (116).
7. The tool for flaring of a tube according to any one of claims 1 to 5, characterized in that: the pipe tongs (2) comprise a fixed jaw (21) and a movable jaw (22), wherein the lower end of the fixed jaw (21) is connected with the lower end of the movable jaw (22) through a rotating shaft, the upper end of the fixed jaw is connected with a fastening nut (24) through a slipknot bolt (23), and a clamping part for accommodating a tire is formed between the fixed jaw (21) and the movable jaw (22).
8. The tool for flaring a tube according to claim 7, wherein: the pipe wrench is characterized in that a positioning screw (25) is arranged on the clamping part of the pipe wrench (2), and a positioning groove (31) matched with the positioning screw (25) is arranged on the mould (3).
9. The tool for flaring a tube according to claim 8, wherein: the mould (3) is composed of two symmetrical semi-circular pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221127991.6U CN217617341U (en) | 2022-05-12 | 2022-05-12 | Tool for pipe flaring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221127991.6U CN217617341U (en) | 2022-05-12 | 2022-05-12 | Tool for pipe flaring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217617341U true CN217617341U (en) | 2022-10-21 |
Family
ID=83652517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221127991.6U Active CN217617341U (en) | 2022-05-12 | 2022-05-12 | Tool for pipe flaring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217617341U (en) |
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2022
- 2022-05-12 CN CN202221127991.6U patent/CN217617341U/en active Active
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