CN111872193A - Chamfering tool - Google Patents
Chamfering tool Download PDFInfo
- Publication number
- CN111872193A CN111872193A CN202010775206.7A CN202010775206A CN111872193A CN 111872193 A CN111872193 A CN 111872193A CN 202010775206 A CN202010775206 A CN 202010775206A CN 111872193 A CN111872193 A CN 111872193A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- ppr
- punch
- steel alloy
- chamfering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims abstract description 70
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 15
- 239000010935 stainless steel Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to the technical field of PPR stainless steel alloy pipe processing, and discloses a chamfering tool, which is used for chamfering the inner layer of a PPR stainless steel alloy pipe and comprises: a guide tube having an inner cavity with openings at both sides; the fixing clamp is fixed on one side of the guide pipe and used for fixing the PPR stainless steel alloy pipe; the chamfering assembly comprises a punch and a handle device, one end of the punch is connected with the handle device, the punch is connected with the inner cavity of the guide pipe in a sliding mode, and the punch is used for chamfering and forming the inner layer of the PPR stainless steel alloy pipe. The invention provides a chamfering tool, which aims to achieve the purposes that a stainless steel layer of a PPR stainless steel alloy pipe cannot be cut and the chamfering effect is good.
Description
Technical Field
The invention relates to the technical field of PPR stainless steel alloy pipe processing, in particular to a chamfering tool.
Background
At present, the aluminium-plastic pipe is as the important part of pipe connection, in order better with the joint butt joint, need the hole chamfer to the aluminium-plastic pipe tip, the staff passes through the chamfer sword and gets rid of the material to the aluminium-plastic pipe tip to the chamfer of realization to the aluminium-plastic pipe tip.
Along with the development of the domestic water heating market, the performance of the PPR stainless steel alloy pipe is better, the PPR stainless steel alloy pipe is provided with an inner layer and an outer layer, the inner layer is a stainless steel layer, the outer layer is a plastic PPR polypropylene layer, and the outer layer and the inner layer are adhered together through glue water in a hot bonding mode. However, there is no chamfering tool on the market for chamfering the inner hole of the end of the PPR stainless steel alloy pipe, and if the end of the PPR stainless steel alloy pipe is chamfered by a chamfering tool, the stainless steel layer of the PPR stainless steel alloy pipe is removed, thereby affecting the performance of the PPR stainless steel alloy pipe.
Disclosure of Invention
The purpose of the invention is: the invention provides a chamfering tool, which aims to achieve the purposes that a stainless steel layer of a PPR stainless steel alloy pipe cannot be cut and the chamfering effect is good.
In order to achieve the above object, the present invention provides a chamfering tool for chamfering an inner layer of a PPR stainless steel alloy pipe, comprising:
a guide tube having an inner cavity with openings at both sides;
the fixing clamp is fixed on one side of the guide pipe and used for fixing the PPR stainless steel alloy pipe;
the chamfering assembly comprises a punch and a handle device, one end of the punch is connected with the handle device, the punch is connected with the inner cavity of the guide pipe in a sliding mode, and the punch is used for chamfering and forming the inner layer of the PPR stainless steel alloy pipe.
In some embodiments of this application, the drift has the chamfer section, the diameter of chamfer section is toward being close to handle device's direction grow gradually, the diameter of chamfer section part is less than the internal diameter of PPR stainless steel alloy pipe, the diameter of another part of chamfer section is not less than the internal diameter of PPR stainless steel alloy pipe.
In some embodiments of the present application, the punch further has a sliding section integrally connected with the chamfering section, the sliding section being slidably connected to the inner wall of the guide tube.
In some embodiments of the present application, the mounting fixture includes upper clamping die and lower clamping die, lower clamping die connect in the stand pipe, upper clamping die locates the upper portion of lower clamping die, just upper clamping die with lower clamping die encloses to close and is used for fixing the fixed chamber of PPR stainless steel alloy pipe.
In some embodiments of the present application, the fixing clamp further includes a clamping ring and a clamping hand wheel for clamping the upper clamping die, the clamping ring is fixed to the lower clamping die, the clamping ring is provided with a threaded hole with openings on two sides, and the clamping hand wheel is in threaded connection with the threaded hole of the clamping ring.
In some embodiments of the present application, the lower clamping die is provided with a positioning step.
In some embodiments of the present application, the lower clamping die is provided with a protrusion, the upper clamping die is provided with a groove corresponding to the protrusion, and the upper clamping die and the protrusion are detachably connected by a connecting member.
In some embodiments of the present application, the handle device includes a handle and a guide rod, one end of the guide rod is connected with the punch, and the other end of the guide rod passes through the guide tube and is connected with the handle.
In some embodiments of the present application, a limiting end cap is disposed on a side of the guide rod close to the handle, the limiting end cap is provided with a through hole allowing the guide rod to pass through, and a diameter of the through hole of the limiting end cap is smaller than an outer diameter of the punch.
In some embodiments of the present application, the stop cap is threaded to the handle.
The embodiment of the invention provides a chamfering tool, which has the following beneficial effects compared with the prior art:
the punch moves towards the direction close to the PPR stainless steel alloy pipe under the pushing of the handle device, the punch is punched into the inner cavity of the PPR stainless steel alloy pipe, and the outer side of the punch is contacted with the stainless steel layer of the PPR stainless steel alloy pipe, so that the stainless steel layer of the PPR stainless steel alloy pipe generates plastic deformation; in addition, the PPR stainless steel alloy pipe is clamped by the fixing clamp, the punch moves linearly in the inner cavity of the guide pipe, and the PPR stainless steel alloy pipe does not need to rotate, so that the chamfering tool does not occupy too much space;
therefore, the chamfering tool provided by the embodiment of the invention not only can prevent the stainless steel layer of the PPR stainless steel alloy pipe from being cut, but also has the advantages of good chamfering effect, simple structure and convenience in operation.
Drawings
Fig. 1 is a schematic structural view of a finished chamfered PPR stainless steel alloy tube according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a chamfering tool according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of a chamfer tool of an embodiment of the invention.
Fig. 4 is a schematic structural view of a punch according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a fixing clip according to an embodiment of the present invention.
In the figure, 1, a PPR stainless steel alloy pipe; 11. an inner layer; 12. an outer layer; 2. a guide tube; 3. fixing the clamp; 31. an upper clamping die; 311. a groove; 32. a lower clamping die; 321. a protrusion; 322. positioning a step; 33. a clamping ring; 34. clamping a hand wheel; 4. a chamfering assembly; 41. a punch; 411. a chamfer section; 412. a sliding section; 42. a handle device; 421. a handle; 422. a guide bar; 5. and limiting the end cover.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, a chamfering tool according to a preferred embodiment of the present invention for chamfering an inner layer 11 of a PPR stainless steel alloy pipe 1 includes: a guide tube 2 having an inner cavity with openings at both sides; the fixing clamp 3 is fixed on one side of the guide pipe 2, and the fixing clamp 3 is used for fixing the PPR stainless steel alloy pipe 1; and the chamfering assembly 4 comprises a punch 41 and a handle device 42, one end of the punch 41 is connected with the handle device 42, the punch 41 is slidably connected with the inner cavity of the guide pipe 2, and the punch 41 is used for chamfering and forming the inner layer 11 of the PPR stainless steel alloy pipe 1.
Based on the above arrangement, in the chamfering tool of the embodiment of the present invention, the punch 41 is pushed by the handle device 42 to move in a direction close to the PPR stainless steel alloy pipe 1, the punch 41 is punched into the inner cavity of the PPR stainless steel alloy pipe 1, and the outer side of the punch 41 is in contact with the stainless steel layer of the PPR stainless steel alloy pipe 1, so that the stainless steel layer of the PPR stainless steel alloy pipe 1 is plastically deformed; in addition, the fixing clamp 3 clamps the PPR stainless steel alloy pipe 1, the punch 41 moves linearly in the inner cavity of the guide pipe 2, and the PPR stainless steel alloy pipe 1 does not need to move rotationally, so that the chamfering tool does not occupy too much space;
therefore, the chamfering tool provided by the embodiment of the invention not only can prevent the stainless steel layer of the PPR stainless steel alloy pipe 1 from being cut, but also has the advantages of good chamfering effect, simple structure and convenience in operation.
It should be noted that the PPR stainless steel alloy tube 1 has an inner layer 11 and an outer layer 12, the inner layer 11 is a stainless steel layer, the outer layer 12 is a plastic PPR polypropylene layer, and the inner layer 11 and the outer layer 12 are adhered together by glue through hot adhesion.
In some embodiments, optionally, as shown in fig. 3 and 4, the punch 41 has a chamfered section 411, the diameter of the chamfered section 411 gradually increases toward the handle device 42, and the diameter of the chamfered section 411 is smaller than the inner diameter of the PPR stainless steel alloy tube 1, so as to facilitate the punch 41 to enter the inner cavity of the PPR stainless steel alloy tube 1; the diameter of another part of the chamfer section 411 is not less than the inner diameter of the PPR stainless steel alloy pipe 1, so that the punch 41 can impact the PPR stainless steel alloy pipe 1 conveniently, and a chamfer is formed after the stainless steel layer of the PPR stainless steel alloy pipe 1 is impacted.
In some embodiments, optionally, as shown in fig. 3 and 4, the punch 41 further has a sliding section 412, the sliding section 412 is integrally connected with the chamfering section 411, and the sliding section 412 is slidably connected to the inner wall of the guide tube 2. Therefore, the diameter of the sliding section 412 is equal to the inner diameter of the guide tube 2, and when the punch 41 moves in the inner cavity of the guide tube 2, the punch does not swing up and down, so that the stability of the chamfering process is ensured.
In some embodiments, optionally, as shown in fig. 2, 3 and 5, the fixing jig 3 includes an upper clamping die 31 and a lower clamping die 32, the lower clamping die 32 is connected to the guide tube 2, the upper clamping die 31 is disposed on an upper portion of the lower clamping die 32, and the upper clamping die 31 and the lower clamping die 32 enclose a fixing cavity for fixing the PPR stainless steel alloy tube 1. Therefore, the upper clamping die 31 and the lower clamping die 32 can fix the PPR stainless steel alloy pipe 1, so that the PPR stainless steel alloy pipe 1 is not easy to swing, and the chamfering process of the PPR stainless steel alloy pipe 1 is more stable; in addition, the upper clamping die 31 and the lower clamping die 32 are matched with each other, so that the PPR stainless steel alloy pipes 1 with different lengths can be adapted, and the applicability of the chamfering tool is improved;
preferably, the lower clamping die 32 is threaded onto the outer wall of the conduit, thereby facilitating the installation and removal of the lower clamping die 32 and the conduit.
In some embodiments, optionally, as shown in fig. 5, the lower clamping die 32 is provided with a protrusion 321, the upper clamping die 31 is provided with a groove 311 corresponding to the protrusion 321, and the upper clamping die 31 and the protrusion 321 are detachably connected through a connecting member. Thus, the mutual fitting of the projection 321 and the recess 311 can facilitate the positioning of the upper and lower clamping dies 31 and 32; in addition, when the connecting member is inserted into the clamping die 31 and the protrusion 321, the upper clamping die 31 and the lower clamping die 32 can be connected together, thereby achieving a stable connection of the upper clamping die 31 and the lower clamping die 32, and preferably, the connecting member is a fixing pin having advantages of simple structure and easy operation.
In some embodiments, optionally, as shown in fig. 2, 3 and 5, the fixing clamp 3 further includes a clamping ring 33 and a clamping hand wheel 34 for clamping the upper clamping die 31, the clamping ring 33 is fixed to the lower clamping die 32, the clamping ring 33 is provided with a threaded hole opened at both sides, and the clamping hand wheel 34 is screwed to the threaded hole of the clamping ring 33. From this, when the tip of pressing from both sides tight hand wheel 34 and last clamping die 31 butt, clamping hand wheel 34 locks and presss from both sides tight mould 31 on to the clamp of tight mould 31 is pressed from both sides in the realization, and then guarantees the firm placing of PPR stainless steel alloy pipe 1.
In some embodiments, optionally, as shown in fig. 5, the lower clamping die 32 is provided with a positioning step 322. Thus, positioning step 322 facilitates positioning of PPR stainless steel alloy tube 1 in lower clamping die 32.
In some embodiments, optionally, as shown in fig. 3, the handle device 42 includes a handle 421 and a guide rod 422, one end of the guide rod 422 is connected to the punch 41, and the other end of the guide rod 422 passes through the guide tube 2 and is connected to the handle 421. Therefore, the worker holds the handle 421 and applies force to the handle 421, so that the guide rod 422 moves in the inner cavity of the guide tube 2; in addition, the guide rods 422 serve for connection, energy storage and balancing.
In some embodiments, optionally, as shown in fig. 3, a side of the guide rod 422 close to the handle 421 is provided with a limit end cap 5, the limit end cap 5 is provided with a through hole allowing the guide rod 422 to pass through, and the diameter of the through hole of the limit end cap 5 is smaller than that of the punch 41. Thus, when the punch 41 moves to abut against the stopper cap 5, the punch 41 cannot move any further, and the movement of the punch 41 is stopped.
In some embodiments, optionally, as shown in fig. 3, the restraining end cap 5 is threadably attached to the handle 421, thereby facilitating the installation and removal of the restraining end cap 5 and the handle 421.
The operation method of the chamfering tool of the embodiment of the invention comprises the following steps:
s1, placing the PPR stainless steel alloy pipe 1 on the positioning step 322 of the lower clamping die 32;
s2, fixing the upper clamping die 31 to the lower clamping die 32, fixing the clamping ring 33 to the lower clamping die 32, and then rotating the clamping hand wheel 34 until the end of the clamping hand wheel 34 abuts against the outer wall of the upper clamping die 31;
s3, holding the handle 421 by hand, and pulling the handle 421 outwards until the punch 41 abuts against the limit end cover 5;
s4, the handle 421 is pushed inwards, the punch 41 moves towards the direction close to the PPR stainless steel alloy pipe 1, and when the punch 41 contacts the PPR stainless steel alloy pipe 1, the punch 41 applies impact force to the end of the PPR stainless steel alloy pipe 1, so that the PPR stainless steel alloy pipe 1 is turned up and chamfered;
and S5, loosening the locking hand wheel, separating the upper clamping die 31 and the lower clamping die 32, and finally taking out the chamfered PPR stainless steel alloy pipe 1.
To sum up, in the chamfering tool according to the embodiment of the present invention, the punch 41 is pushed by the handle device 42 to move in a direction close to the PPR stainless steel alloy pipe 1, the punch 41 is punched into the inner cavity of the PPR stainless steel alloy pipe 1, and the outer side of the punch 41 is in contact with the stainless steel layer of the PPR stainless steel alloy pipe 1, so that the stainless steel layer of the PPR stainless steel alloy pipe 1 is plastically deformed; in addition, the fixing clamp 3 clamps the PPR stainless steel alloy pipe 1, the punch 41 moves linearly in the inner cavity of the guide pipe 2, and the PPR stainless steel alloy pipe 1 does not need to move rotationally, so that the chamfering tool does not occupy too much space;
therefore, the chamfering tool provided by the embodiment of the invention not only can prevent the stainless steel layer of the PPR stainless steel alloy pipe 1 from being cut, but also has the advantages of good chamfering effect, simple structure and convenience in operation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a chamfer instrument, its inlayer that is used for going on chamfering to PPR stainless steel alloy pipe which characterized in that includes:
a guide tube having an inner cavity with openings at both sides;
the fixing clamp is fixed on one side of the guide pipe and used for fixing the PPR stainless steel alloy pipe;
the chamfering assembly comprises a punch and a handle device, one end of the punch is connected with the handle device, the punch is connected with the inner cavity of the guide pipe in a sliding mode, and the punch is used for chamfering and forming the inner layer of the PPR stainless steel alloy pipe.
2. The chamfering tool according to claim 1, wherein the punch has a chamfer section, the diameter of the chamfer section gradually increases toward the handle means, the diameter of a portion of the chamfer section is smaller than the inner diameter of the PPR stainless steel alloy tube, and the diameter of another portion of the chamfer section is not smaller than the inner diameter of the PPR stainless steel alloy tube.
3. The chamfer tool of claim 2, wherein the punch further has a sliding section integrally connected with the chamfer section, the sliding section being slidably connected to an inner wall of the guide tube.
4. The chamfering tool according to claim 1, wherein the fixing jig includes an upper clamping jig and a lower clamping jig, the lower clamping jig is connected to the guide pipe, the upper clamping jig is provided at an upper portion of the lower clamping jig, and the upper clamping jig and the lower clamping jig enclose a fixing cavity for fixing the PPR stainless steel alloy pipe.
5. The chamfering tool according to claim 4, wherein the fixing jig further comprises a clamping ring fixed to the lower clamping die and a clamping hand wheel for clamping the upper clamping die, the clamping ring being provided with a threaded hole opened at both sides, the clamping hand wheel being threadedly connected to the threaded hole of the clamping ring.
6. The chamfer tool of claim 4, wherein the lower clamp die is provided with a locating step.
7. The chamfering tool according to claim 4, wherein the lower clamping die is provided with a protrusion, the upper clamping die is provided with a groove corresponding to the protrusion, and the upper clamping die and the protrusion are detachably connected by a connecting member.
8. The chamfering tool according to claim 1, wherein the handle arrangement includes a handle and a guide rod, one end of the guide rod being connected with the punch, the other end of the guide rod passing through the guide tube and being connected with the handle.
9. The chamfer tool of claim 8, wherein a side of the guide rod adjacent the handle is provided with a retaining cap, the retaining cap being provided with a bore allowing the guide rod to pass therethrough, the bore of the retaining cap having a diameter less than the outer diameter of the punch.
10. The chamfer tool of claim 9, wherein the limit cap is threaded to the guide tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775206.7A CN111872193A (en) | 2020-08-04 | 2020-08-04 | Chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775206.7A CN111872193A (en) | 2020-08-04 | 2020-08-04 | Chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111872193A true CN111872193A (en) | 2020-11-03 |
Family
ID=73211433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010775206.7A Pending CN111872193A (en) | 2020-08-04 | 2020-08-04 | Chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111872193A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3194040A (en) * | 1962-11-19 | 1965-07-13 | Parker Hannifin Corp | Power flaring tool |
| EP0501928A1 (en) * | 1991-02-22 | 1992-09-02 | REFI AUTOMAZIONI OLEODINAMICHE S.r.l. | Apparatus for flaring fitting pipes |
| TWM250729U (en) * | 2003-07-28 | 2004-11-21 | Access A C Entpr Corproration | Improved structure for forming machine of metal tube |
| US20110192207A1 (en) * | 2010-02-11 | 2011-08-11 | Roger Huang | Automatic extrusion device |
| DE102010037392A1 (en) * | 2010-08-26 | 2012-03-01 | Julius Mayerhofer | Flanging press for fluid line, has unit head with base body that is provided with longitudinal axis, where two chuck jaws are provided with channel for retaining fluid line |
| CN202591389U (en) * | 2012-04-12 | 2012-12-12 | 十堰巨迪金属管业有限公司 | Pipe fitting pipe end shaping automatic centering flanging die |
| CN104646468A (en) * | 2013-12-04 | 2015-05-27 | 中船桂江造船有限公司 | Flanging machine |
| US9044803B1 (en) * | 2012-03-05 | 2015-06-02 | Jeffrey A. Propst | Flaring tool |
| CN105689565A (en) * | 2016-02-26 | 2016-06-22 | 浙江飞越机电有限公司 | Hydraulic pipe expanding and enlarging device |
| CN206316247U (en) * | 2016-12-19 | 2017-07-11 | 苏州先科精密机械有限公司 | The chamfering punching that flange ftractures can be prevented |
| KR101849491B1 (en) * | 2017-02-02 | 2018-04-17 | 김재호 | Motor operated pipe flare press device with tilting flare head |
| CN109013944A (en) * | 2018-09-25 | 2018-12-18 | 玉环豪立信铜业有限公司 | Pipeline enlarging flanging tool |
| CN212442736U (en) * | 2020-08-04 | 2021-02-02 | 日丰企业（佛山）有限公司 | Chamfering tool |
-
2020
- 2020-08-04 CN CN202010775206.7A patent/CN111872193A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3194040A (en) * | 1962-11-19 | 1965-07-13 | Parker Hannifin Corp | Power flaring tool |
| EP0501928A1 (en) * | 1991-02-22 | 1992-09-02 | REFI AUTOMAZIONI OLEODINAMICHE S.r.l. | Apparatus for flaring fitting pipes |
| TWM250729U (en) * | 2003-07-28 | 2004-11-21 | Access A C Entpr Corproration | Improved structure for forming machine of metal tube |
| US20110192207A1 (en) * | 2010-02-11 | 2011-08-11 | Roger Huang | Automatic extrusion device |
| DE102010037392A1 (en) * | 2010-08-26 | 2012-03-01 | Julius Mayerhofer | Flanging press for fluid line, has unit head with base body that is provided with longitudinal axis, where two chuck jaws are provided with channel for retaining fluid line |
| US9044803B1 (en) * | 2012-03-05 | 2015-06-02 | Jeffrey A. Propst | Flaring tool |
| CN202591389U (en) * | 2012-04-12 | 2012-12-12 | 十堰巨迪金属管业有限公司 | Pipe fitting pipe end shaping automatic centering flanging die |
| CN104646468A (en) * | 2013-12-04 | 2015-05-27 | 中船桂江造船有限公司 | Flanging machine |
| CN105689565A (en) * | 2016-02-26 | 2016-06-22 | 浙江飞越机电有限公司 | Hydraulic pipe expanding and enlarging device |
| CN206316247U (en) * | 2016-12-19 | 2017-07-11 | 苏州先科精密机械有限公司 | The chamfering punching that flange ftractures can be prevented |
| KR101849491B1 (en) * | 2017-02-02 | 2018-04-17 | 김재호 | Motor operated pipe flare press device with tilting flare head |
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| CN212442736U (en) * | 2020-08-04 | 2021-02-02 | 日丰企业（佛山）有限公司 | Chamfering tool |
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