US20190283106A1 - Tube positioning device of tube flaring tool - Google Patents
Tube positioning device of tube flaring tool Download PDFInfo
- Publication number
- US20190283106A1 US20190283106A1 US15/921,326 US201815921326A US2019283106A1 US 20190283106 A1 US20190283106 A1 US 20190283106A1 US 201815921326 A US201815921326 A US 201815921326A US 2019283106 A1 US2019283106 A1 US 2019283106A1
- Authority
- US
- United States
- Prior art keywords
- clamping
- stopping
- tube
- resting
- base
- 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.)
- Abandoned
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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
- 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
-
- 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
Definitions
- the present invention relates to a tube flaring tool, and more particularly to a tube positioning device of a tube flaring tool.
- one of the tubes had to be flared for the other tube to be inserted therein.
- a tube flaring tool is applied to flare the tube for the butt connection.
- a tube is put on a clamping device of the tube flaring tool, and a swaging punch is forced to be squeezed into the tube to flare it.
- the tube may be broken by the when swaging punch there is a part extruded out of the clamping device.
- Taiwan utility model patent no. M519558 disclosed a positioning device of a tube flaring tool, which provides a shaft in a cavity of a clamping device.
- a stopping member has a hub fitted to the shaft for rotation.
- the hub has an extending portion at an end distal to the cavity, and the extending portion has a stopping plate to abut against an end of the tube for positioning of the tube.
- the clamping device is a brand new device of the aforesaid patent, and the structure thereof is very complex. Besides, the stopping device is connected to the shaft all the time without any device to fasten it, so that the free-moving stopping device may interrupt the tube flaring task.
- the primary objective of the present invention is to provide a positioning device of a tube flaring tool, which provides the tube a precise positioning without the problem of interruption.
- the secondary objective of the present invention is to provide a positioning device of a tube flaring tool, which provides a movable stopping plate to position the tube at a precise position.
- the third objective of the present invention is to provide a positioning device of a tube flaring tool, which provides a stop plate to be removed and stored in an easy way.
- a clamping device of a tube flaring tool for precisely positioning a tube for a flaring task includes a base having top, a bottom opposite to the top, a first lateral side connected to the top and the bottom, a second lateral side connected to the top and the bottom and opposite to the first lateral side, a front side connected to the top, the bottom, the first lateral side and the second lateral side, a rear side connected to the top, the bottom, the first lateral side and the second lateral side and opposite to the front side, and a slot having an opening at the top, wherein the slot has a first end proximal to the front end and a second end opposite to the first end and proximal to the rear end; a clamping assembly having a first clamping member and a second clamping member, both of which are received in the slot of the base to clamp a tube therebetween, wherein the clamping assembly has a working end proximal to the first end of the slot to form a gap there
- FIG. 1 is a perspective view of the tube flaring tool of a first preferred embodiment of the present invention
- FIG. 2 is an exploded view of the first preferred embodiment of the present invention
- FIG. 3 is a top view of the first preferred embodiment of the present invention.
- FIG. 4 is a perspective view of the preferred embodiment of the present invention, showing the positioning device in operation;
- FIG. 5 is a top view of FIG. 4 ;
- FIG. 6 is an exploded view of a second preferred embodiment of the present invention.
- FIG. 7 is a perspective view of the second preferred embodiment of the present invention.
- FIG. 1 shows a tube faring tool, having a flaring device 10 and a clamping device 20 .
- a tube 12 is adapted to be clamped and positioned by the clamping device 20 , and then an end of the tube 12 is aligned to a punch 14 of the tube flaring tool 10 . Operation of the tube flaring tool 10 will move the punch 14 toward the tube 14 to flare it.
- the clamping device 20 of the first preferred embodiment of the present invention includes a base 22 and a clamping assembly 24 .
- the base 22 has a top 220 , a bottom 222 opposite to the top 220 , a first lateral side 224 connected to the top 220 and the bottom 222 , a second lateral side 226 connected to the top 220 and the bottom 222 and opposite to the first lateral side 224 , a front side facing the tube flaring tool 10 , and a rear side opposite to the front side.
- the base 22 further has a slot 26 with an opening at the top 220 thereof.
- the slot 26 has a first end 260 and a second end 262 opposite to the first end 260 , wherein the second end 262 is adjacent to the rear side of the base 22 , and the first end 260 is between the front side and the rear side.
- the clamping assembly 24 includes a first clamping member 240 , a second clamping member 242 , and a pin 244 with opposite end received in holes of the first and the second clamping members 240 , 242 to position the first and the second clamping members 240 , 242 .
- the first and the second clamping members 240 , 242 each has a recess to form a cavity, and a tube 12 is adapted to be clamped by the first and the second clamping members 240 , 242 and have a portion received in the cavity.
- a stopping member 30 has a stopping portion 32 and a resting portion 34 connected to the stopping portion 32 .
- An angle is formed between the stopping portion 32 and the resting portion 34 .
- the stopping member 30 is a bent plate to have the stopping portion 32 and the resting portion 34 at opposite sides of a bending portion.
- the clamping assembly 24 which has a working end 246 , is received in the slot 26 of the base 22 , and a gap 40 is formed between the first end 260 of the slot 26 and the working end 246 of the clamping assembly 24 .
- the stopping portion 32 of the stopping member 30 is received in the gap 40 , and the resting portion 34 is rested against the top 220 of the base 22 .
- the stopping portion 32 of the stopping member 30 has opposite sides against the first end 260 of the slot 26 and the working end 246 of the clamping assembly 24 .
- a driving member 50 is connected to the base 22 and has an end extending into the slot 26 to press the second clamping member 242 of the clamping assembly 24 .
- the driving member 50 has a screw rod screwed into a threaded hole on the first lateral side 224 of the base 22 to have an end received in the slot 26 .
- the driving member 50 further has a pressing plate 52 connected to the end of the screw rod received in the slot 26 to touch the second clamping member 242 of the clamping assembly 24 directly. As a result, turn the screw rod may move the pressing plate 52 toward the second clamping member 242 to clamp the tube 12 firmly.
- the end of the tube 12 may be precisely and firmly positioned at a predetermined position in the clamping assembly 24 by the top member 30 and the driving member 50 .
- remove the stopping member 30 and connect the faring device 10 to the clamping device to the clamping device 20 , and then drive a punch to move into the tube 12 via the end to flare the tube 12 .
- FIG. 6 and FIG. 7 show a clamping device of the second preferred embodiment, which is the same as the clamping device 20 of the first preferred embodiment, except a stopping member 30 .
- the stopping member 30 of the second preferred embodiment is a flat plate, having a stopping portion 32 and a resting portion 34 .
- the resting portion 34 is wider than the stopping portion 32 , so that the resting portion 34 has resting edges 36 against the top 220 of the base 22 when the stopping portion 32 is inserted into the gap 40 .
- the operation and functions of the clamping device of the second preferred embodiment are the same as above, so we do not describe it again.
- the present invention provides the stopping member 30 inserted into the gap 40 between the clamping assembly 24 and a sidewall of the slot 26 to precisely position the tube 12 clamped by the clamping assembly 24 that benefits to the following flaring task.
- the stopping member 30 is removed and stored before the flaring task so that it would not interrupt the flaring task.
Abstract
A clamping device of a tube flaring tool for firmly and precisely clamping a tube includes a base having a slot and a clamping assembly having two clamping members to clamp a tube therebetween. The clamping assembly is received in the slot of the base, and a gap is formed between a working end of the clamping assembly and a sidewall of the slot for a stopping member inserted into the gap. The stopping member has opposite sides abutting against the sidewall of the slot, the working end of the clamping assembly, and an end of the tube clamped by the clamping assembly to precisely position the tube at a predetermined portion for the following flaring task.
Description
- The present invention relates to a tube flaring tool, and more particularly to a tube positioning device of a tube flaring tool.
- For the task of butt connection of two tubes, one of the tubes had to be flared for the other tube to be inserted therein. A tube flaring tool is applied to flare the tube for the butt connection. A tube is put on a clamping device of the tube flaring tool, and a swaging punch is forced to be squeezed into the tube to flare it. However, the tube may be broken by the when swaging punch there is a part extruded out of the clamping device.
- Taiwan utility model patent no. M519558 disclosed a positioning device of a tube flaring tool, which provides a shaft in a cavity of a clamping device. A stopping member has a hub fitted to the shaft for rotation. The hub has an extending portion at an end distal to the cavity, and the extending portion has a stopping plate to abut against an end of the tube for positioning of the tube.
- The clamping device is a brand new device of the aforesaid patent, and the structure thereof is very complex. Besides, the stopping device is connected to the shaft all the time without any device to fasten it, so that the free-moving stopping device may interrupt the tube flaring task.
- In view of the above, the primary objective of the present invention is to provide a positioning device of a tube flaring tool, which provides the tube a precise positioning without the problem of interruption.
- The secondary objective of the present invention is to provide a positioning device of a tube flaring tool, which provides a movable stopping plate to position the tube at a precise position.
- The third objective of the present invention is to provide a positioning device of a tube flaring tool, which provides a stop plate to be removed and stored in an easy way.
- In order to achieve the objective of the present invention, a clamping device of a tube flaring tool for precisely positioning a tube for a flaring task includes a base having top, a bottom opposite to the top, a first lateral side connected to the top and the bottom, a second lateral side connected to the top and the bottom and opposite to the first lateral side, a front side connected to the top, the bottom, the first lateral side and the second lateral side, a rear side connected to the top, the bottom, the first lateral side and the second lateral side and opposite to the front side, and a slot having an opening at the top, wherein the slot has a first end proximal to the front end and a second end opposite to the first end and proximal to the rear end; a clamping assembly having a first clamping member and a second clamping member, both of which are received in the slot of the base to clamp a tube therebetween, wherein the clamping assembly has a working end proximal to the first end of the slot to form a gap therebetween; and a stopping member having a stopping portion and a resting portion connected to the stopping portion, wherein the stopping portion is removably received in the gap, and the resting portion rests against the top of the base when the stopping portion is received in the gap.
- The present invention will be best understood by referring to the following detailed description of some illustrative embodiments in conjunction with the accompanying drawings, in which
-
FIG. 1 is a perspective view of the tube flaring tool of a first preferred embodiment of the present invention; -
FIG. 2 is an exploded view of the first preferred embodiment of the present invention; -
FIG. 3 is a top view of the first preferred embodiment of the present invention; -
FIG. 4 is a perspective view of the preferred embodiment of the present invention, showing the positioning device in operation; -
FIG. 5 is a top view ofFIG. 4 ; -
FIG. 6 is an exploded view of a second preferred embodiment of the present invention; and -
FIG. 7 is a perspective view of the second preferred embodiment of the present invention. -
FIG. 1 shows a tube faring tool, having aflaring device 10 and aclamping device 20. Atube 12 is adapted to be clamped and positioned by theclamping device 20, and then an end of thetube 12 is aligned to apunch 14 of thetube flaring tool 10. Operation of thetube flaring tool 10 will move thepunch 14 toward thetube 14 to flare it. - As shown in
FIG. 2 , theclamping device 20 of the first preferred embodiment of the present invention includes abase 22 and aclamping assembly 24. Thebase 22 has atop 220, abottom 222 opposite to thetop 220, a firstlateral side 224 connected to thetop 220 and thebottom 222, a secondlateral side 226 connected to thetop 220 and thebottom 222 and opposite to the firstlateral side 224, a front side facing thetube flaring tool 10, and a rear side opposite to the front side. - The
base 22 further has aslot 26 with an opening at thetop 220 thereof. Theslot 26 has afirst end 260 and asecond end 262 opposite to thefirst end 260, wherein thesecond end 262 is adjacent to the rear side of thebase 22, and thefirst end 260 is between the front side and the rear side. - The
clamping assembly 24 includes afirst clamping member 240, asecond clamping member 242, and apin 244 with opposite end received in holes of the first and thesecond clamping members second clamping members second clamping members tube 12 is adapted to be clamped by the first and thesecond clamping members - A stopping
member 30 has a stoppingportion 32 and a restingportion 34 connected to the stoppingportion 32. An angle is formed between thestopping portion 32 and theresting portion 34. In the first preferred embodiment, the stoppingmember 30 is a bent plate to have the stoppingportion 32 and the restingportion 34 at opposite sides of a bending portion. - As shown in
FIG. 3 , theclamping assembly 24, which has a workingend 246, is received in theslot 26 of thebase 22, and agap 40 is formed between thefirst end 260 of theslot 26 and the workingend 246 of theclamping assembly 24. - As shown in
FIG. 4 andFIG. 5 , the stoppingportion 32 of the stoppingmember 30 is received in thegap 40, and the restingportion 34 is rested against thetop 220 of thebase 22. In the present embodiment, thestopping portion 32 of the stoppingmember 30 has opposite sides against thefirst end 260 of theslot 26 and the workingend 246 of theclamping assembly 24. - As shown in
FIG. 5 , with thestopping member 30, theclamping assembly 24 is firmly received in theslot 26 of thebase 22, and thetube 12 clamped by theclamping assembly 24 has an end abutting against thestopping portion 32 of the stoppingmember 30 to precisely position thetube 12. Adriving member 50 is connected to thebase 22 and has an end extending into theslot 26 to press thesecond clamping member 242 of theclamping assembly 24. In the present embodiment, thedriving member 50 has a screw rod screwed into a threaded hole on the firstlateral side 224 of thebase 22 to have an end received in theslot 26. Thedriving member 50 further has apressing plate 52 connected to the end of the screw rod received in theslot 26 to touch thesecond clamping member 242 of theclamping assembly 24 directly. As a result, turn the screw rod may move thepressing plate 52 toward thesecond clamping member 242 to clamp thetube 12 firmly. - As the description above, the end of the
tube 12 may be precisely and firmly positioned at a predetermined position in theclamping assembly 24 by thetop member 30 and thedriving member 50. Next, remove the stoppingmember 30, and connect the faringdevice 10 to the clamping device to theclamping device 20, and then drive a punch to move into thetube 12 via the end to flare thetube 12. -
FIG. 6 andFIG. 7 show a clamping device of the second preferred embodiment, which is the same as theclamping device 20 of the first preferred embodiment, except a stoppingmember 30. The stoppingmember 30 of the second preferred embodiment is a flat plate, having a stoppingportion 32 and a restingportion 34. Theresting portion 34 is wider than thestopping portion 32, so that theresting portion 34 has restingedges 36 against thetop 220 of thebase 22 when thestopping portion 32 is inserted into thegap 40. The operation and functions of the clamping device of the second preferred embodiment are the same as above, so we do not describe it again. - The present invention provides the stopping
member 30 inserted into thegap 40 between theclamping assembly 24 and a sidewall of theslot 26 to precisely position thetube 12 clamped by theclamping assembly 24 that benefits to the following flaring task. - The stopping
member 30 is removed and stored before the flaring task so that it would not interrupt the flaring task. - It must be pointed out that the embodiments described above are only some preferred embodiments of the present invention. All equivalent structures which employ the concepts disclosed in this specification and the appended claims should fall within the scope of the present invention.
Claims (10)
1. A clamping device of a tube flaring tool for precisely positioning a tube for a flaring task, comprising:
a base having top, a bottom opposite to the top, a first lateral side connected to the top and the bottom, a second lateral side opposite to the first lateral side, a front side connected to the top, the bottom, the first lateral side and the second lateral side, a rear side opposite to the front side, and a slot having an opening at the top, wherein the slot has a first end proximal to the front end of the base and a second end opposite to the first end;
a clamping assembly having a first clamping member and a second clamping member, both of which are received in the slot of the base to clamp a tube therebetween, wherein the clamping assembly has a working end proximal to the first end of the slot to form a gap therebetween; and
a stopping member having a stopping portion and a resting portion connected to the stopping portion, wherein the stopping portion is removably received in the gap, and the resting portion rests against the top of the base when the stopping portion is received in the gap.
2. The clamping device of claim 1 , wherein the stopping portion of the stopping member has opposite sides abutting against the working end of the clamping assembly and the first end of the slot.
3. The clamping device of claim 1 , wherein the stopping member is a bent plate to have the stopping portion and the resting portion at opposite sides of a bending portion.
4. The clamping device of claim 1 , wherein the stopping member is a flat plate, and the resting portion is wider than the stopping portion, so that the resting portion has a resting edge to rest against the top of the base when the stopping portion is received in the gap.
5. The clamping device of claim 1 , wherein the resting portion is wider than the stopping portion, so that the resting portion has two resting edges to rest against the top of the base when the stopping portion is received in the gap.
6. The clamping device of claim 1 , further comprising a driving device connected to base, wherein the driving device has an end received in the slot, and a pressing plate connected to the end, whereby the driving device is operated to move the pressing plate toward the clamping assembly, and so as to firmly clamping a tube between the first clamping member and the second clamping member.
7. The clamping device of claim 2 , wherein the stopping member is a bent plate to have the stopping portion and the resting portion at opposite sides of a bending portion.
8. The clamping device of claim 2 , wherein the stopping member is a flat plate, and the resting portion is wider than the stopping portion, so that the resting portion has a resting edge to rest against the top of the base when the stopping portion is received in the gap.
9. The clamping device of claim 2 , wherein the resting portion is wider than the stopping portion, so that the resting portion has two resting edges to rest against the top of the base when the stopping portion is received in the gap.
10. The clamping device of claim 2 , further comprising a driving device connected to base, wherein the driving device has an end received in the slot, and a pressing plate connected to the end, whereby the driving device is operated to move the pressing plate toward the clamping assembly, and so as to firmly clamping a tube between the first clamping member and the second clamping member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/921,326 US20190283106A1 (en) | 2018-03-14 | 2018-03-14 | Tube positioning device of tube flaring tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/921,326 US20190283106A1 (en) | 2018-03-14 | 2018-03-14 | Tube positioning device of tube flaring tool |
Publications (1)
Publication Number | Publication Date |
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US20190283106A1 true US20190283106A1 (en) | 2019-09-19 |
Family
ID=67903809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/921,326 Abandoned US20190283106A1 (en) | 2018-03-14 | 2018-03-14 | Tube positioning device of tube flaring tool |
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US (1) | US20190283106A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4063038A4 (en) * | 2020-11-12 | 2023-07-26 | Rifeng Enterprise (Foshan) Co., Ltd. | Pipe flaring device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956987A (en) * | 1995-02-13 | 1999-09-28 | Parker Hannifin Rak Sa | Machine for flaring pipe ends |
US8291737B2 (en) * | 2010-02-11 | 2012-10-23 | Maxclaw Tools Co., Ltd. | Automatic extrusion device |
US9630236B1 (en) * | 2016-01-13 | 2017-04-25 | Sun-Wonder Industrial Co., Ltd | Pipe positioning device |
-
2018
- 2018-03-14 US US15/921,326 patent/US20190283106A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956987A (en) * | 1995-02-13 | 1999-09-28 | Parker Hannifin Rak Sa | Machine for flaring pipe ends |
US8291737B2 (en) * | 2010-02-11 | 2012-10-23 | Maxclaw Tools Co., Ltd. | Automatic extrusion device |
US9630236B1 (en) * | 2016-01-13 | 2017-04-25 | Sun-Wonder Industrial Co., Ltd | Pipe positioning device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4063038A4 (en) * | 2020-11-12 | 2023-07-26 | Rifeng Enterprise (Foshan) Co., Ltd. | Pipe flaring device |
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