CN102553995B - Thin-wall circular pipe roll forming tool - Google Patents
Thin-wall circular pipe roll forming tool Download PDFInfo
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- CN102553995B CN102553995B CN201010613134.2A CN201010613134A CN102553995B CN 102553995 B CN102553995 B CN 102553995B CN 201010613134 A CN201010613134 A CN 201010613134A CN 102553995 B CN102553995 B CN 102553995B
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- tool
- thin
- movable arms
- support arm
- wall circular
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Abstract
The invention discloses a thin-wall circular pipe roll forming tool, which comprises a tool body, a movable supporting arm, an outer molding jig, an extrusion molding wheel, an adjusting screw, a roller shaft, a supporting arm shaft, a movable handle and the like, wherein the tool body is a big cylinder, the front end of the tool body is provided with a circular boss part, and the lower part of the tool body is provided with a part positioning end face semicircular table F; the movable supporting arm is arranged on a plug lug type bracket B of the tool body through the supporting arm shaft; the extrusion molding wheel is arranged at the front end of the movable supporting arm through the roller shaft; an extrusion wave R2 surface which protrudes outwards is formed in the center of an outer circular molding surface of the extrusion molding wheel; the outer molding jig consists of an upper molding jig and a lower molding jig which can be opened and closed; an inward concave compression wave R1 surface is arranged on the inner circle of the upper molding jig and the lower molding jig; when the thin-wall circular pipe roll forming tool is used, the internal diameter of a thin-wall circular pipe, namely a workpiece, to be machined is sleeved on a circular boss at the front end of the tool body, so that the end face of the thin-wall circular pipe to be machined is pressed against the end face semicircular table F, the outer molding jig is sleeved outside the workpiece, the movable handle is turned, and ripple forming at a joint of the thin-wall circular pipe is finished under the combined action of the extrusion molding wheel and the outer molding jig.
Description
Technical field
The present invention relates to a kind of instrument, particularly a kind of thin-wall circular pipe roll forming tool; the application that thin-wall circular tube roll wave instrument relates to is very extensive, uses instrument of the present invention to go out multiple ring waveform in the rolling of thin-wall circular pipe end, is specially adapted to the operation under some specific occasion.
Background technology
Often encounter the syndeton that patches flexible pipe at thin-wall circular pipe end ripple processed for aviation, automobile and other industry, before for the processing of such thin-wall circular pipe end ripple processed, all on slewing, to rely on loose tool extrusion modling, when caliber hour, especially require on due to design or technique when part with parts welding after when reprocessing, processing mode is originally just helpless, especially be subject in the condition restriction such as process structure or working space situation in operation, just difficult especially at thin-wall circular tube end processing ripple.
Summary of the invention
Object of the present invention is just to provide a kind of rolling tool that processes annular outer ripple at thin-wall circular pipe end, for solving an above-mentioned processing difficult problem.
Thin-wall circular pipe roll forming tool of the present invention is made up of body of tool, movable arms, external form tire, extrusion pressing type wheel, adjustment screw, roller shaft, support arm shaft, flexible handle etc.Described body of tool is a large cylinder, front end is circular bosses part, bottom is provided with part location end face semicircle platform F, movable arms is arranged on by support arm shaft on the slotting ear cribbing B of body of tool, extrusion pressing type wheel is arranged on movable arms front end by roller shaft, and extrusion pressing type wheel cylindrical profile center is provided with the crowded ripple R of outwardly convex
2face; External form tire is made up of upper and lower type tire (41), (42) that can folding, is provided with the pressure ripple R of indent at upper and lower type tire inner ring
1face; When use, the internal diameter that is workpiece by thin-wall circular tube to be processed is enclosed within on the circular bosses of body of tool front end, make the end face of thin-wall circular tube to be processed be close to the location end face semicircle platform F of body of tool, external form tire is enclosed within to the outside of workpiece, rotate flexible handle, under the acting in conjunction of extrusion pressing type wheel and external form tire, complete the ripple forming of thin-wall circular tube joint.
The nose circle boss part of described body of tool, its diameter d is less than the diameter of whole large cylinder and equates with the internal diameter of thin-wall circular tube to be processed, the mid portion of body of tool is cut out a plane, plane is provided with the slotting ear cribbing B that movable arms is installed, and inserts ear cribbing B and is provided with the support arm hinge hole K that movable arms is installed
1, be provided with positive stop lug boss C at support B rear portion, on the right circles cylinder of body of tool, be provided with the bearing that flexible handle is installed, on body of tool, location end face semicircle platform F is apart from support arm hinge hole K
1distance equal L
2, can find out L from assembly relation
2=L-L
1.
In described movable arms, have orthogonal support arm hinge hole K
1with roller shaft installing hole K
2, support arm hinge hole K
1the line of centres is to roller shaft installing hole K
2the distance at center is e, support arm hinge hole K
1center is L to the distance at extrusion pressing type wheel center, and movable arms is arranged on body of tool by support arm shaft and inserts ear cribbing B above, can rotate up and down around support arm shaft, and extrusion pressing type wheel is arranged on movable arms front end by roller shaft, and the crest of extrusion pressing type wheel is to support arm hinge hole K
1distance be L, the rear end of movable arms is positioned at the top of support B rear portion limiting stand C, when movable arms is in the time that support arm shaft rotates, positive stop lug boss C has limited his hard-over angle, above movable arms middle part, be provided with adjustment screw, can adjust the amount of compression of extrusion pressing type wheel by this adjustment screw.
The cylindrical profile center of extrusion pressing type wheel is provided with the crowded ripple R of outwardly convex
2face, squeezing wave-wave peak maximum gauge is φ
1, extrusion pressing type wheel is used in conjunction with external form tire, treats the processing thin-walled pipe mouth of pipe and pushes, and makes it to form required ripple, therefore R
1-R
2the wall thickness of=workpiece, crest moulding when ensureing to push, support arm hinge hole K
1the line of centres is to roller shaft installing hole K
2distance e=1/2 (φ-the φ at center
1).
Described external form tire is made up of mo(u)ld top half tire (41) and mo(u)ld bottom half tire (42) that can folding, and the inner ring diameter forming after upper and lower type tire combination is D, and D equals the external diameter of thin-wall circular tube to be processed, is provided with the pressure ripple R of indent at upper and lower type tire inner ring
1face, pressing corrugated crest maximum gauge is Φ, when use, upper and lower type tire by bolt combination together, is placed on the mouth of pipe place of thin-wall circular tube to be processed.
Brief description of the drawings:
Fig. 1 is the structural representation of thin-wall circular pipe roll forming tool of the present invention;
The structural front view of Fig. 2 body of tool;
Fig. 3 is that the A-A of Fig. 2 is to view;
Fig. 4 is the partial view of movable arms;
Fig. 5 is that the B-B of Fig. 4 is to view;
Fig. 6 is the combination schematic diagram of external form tire;
Fig. 7 is external form tire inner ring cross section view;
Fig. 8 is the front view of extrusion pressing type wheel;
Fig. 9 is the side view of Fig. 8;
Figure 10 is the structural representation of the embodiment of the present invention.
In figure: 1-workpiece, 2-body of tool, 3-movable arms, 4-external form tire, 5-extrusion pressing type wheel, 6-adjustment screw, 7-roller shaft, 8-support arm shaft, 9 flexible handles, the mo(u)ld top half tire of 41-external form tire, the mo(u)ld bottom half tire of 42-external form tire,
Detailed description of the invention:
Below in conjunction with accompanying drawing in detail the present invention is described in detail.Accompanying drawing 10 is that use thin-wall circular pipe roll forming tool processing of the present invention caliber is Φ 38mm, the schematic diagram of the steel pipe that wall thickness is 1mm.
Thin-wall circular pipe roll forming tool of the present invention, as shown in Fig. 1 and Figure 10, is made up of body of tool 2, movable arms 3, external form tire 4, extrusion pressing type wheel 5, adjustment screw 6, roller shaft 7, support arm shaft 8, flexible handle 9 etc.Described body of tool 2 is large cylinders, front end is circular bosses part, bottom is provided with part location end face semicircle platform F, movable arms 3 is arranged on by support arm shaft 8 on the slotting ear cribbing B of body of tool 2, extrusion pressing type wheel 5 is arranged on movable arms 3 front ends by roller shaft 7, and extrusion pressing type is taken turns 5 cylindrical profile centers and be provided with the crowded ripple R of outwardly convex
2face; External form tire 4 is made up of upper and lower type tire 41,42 that can folding, is provided with the pressure ripple R of indent at upper and lower type tire inner ring
1face.
The part drawing of described body of tool 2 as shown in Figures 2 and 3, the nose circle boss part of body of tool 2, its diameter d is less than the diameter of whole large cylinder and equates with the internal diameter of workpiece 1, in the present embodiment, the caliber of workpiece 1 is Φ 38mm, the therefore nose circle boss of body of tool 2 part diameter d=Φ 38mm, and the mid portion of body of tool 2 is cut out a plane, plane is provided with the slotting ear cribbing B that movable arms 3 is installed, and the crest of extrusion pressing type wheel 5 is to support arm hinge hole K
1distance L=36mm, extrusion pressing type is taken turns 1/2 thickness L
1=5mm, therefore locates end face semicircle platform F apart from support arm hinge hole K
1distance equal L
2=L-L
1=29mm, is provided with limited location boss C at support B rear portion, is provided with the bearing that flexible handle 9 is installed on the right circles cylinder of body of tool 2.
The part drawing of described movable arms 3 as shown in Figures 4 and 5, has orthogonal support arm hinge hole K in movable arms 3
1with roller shaft installing hole K
2, support arm hinge hole K
1the line of centres is to roller shaft installing hole K
2the distance at center is e, e=9.5mm in the present embodiment, movable arms 3 is arranged on body of tool by support arm shaft 8 and inserts on ear cribbing B, can rotate up and down around support arm shaft 8, extrusion pressing type wheel 5 is arranged on movable arms 3 front ends by roller shaft 7, the rear end of movable arms 3 is positioned at the top of support B rear portion limiting stand C, when movable arms 3 is in the time that support arm shaft 8 rotates, positive stop lug boss C has limited his hard-over angle, above movable arms 3 middle parts, be provided with adjustment screw 6, this adjustment screw centre distance support arm hinge hole K
1center is 20mm, can adjust the amount of compression of extrusion pressing type wheel 5 by this adjustment screw;
As shown in FIG. 8 and 9, extrusion pressing type wheel cylindrical profile center is provided with the crowded ripple R of outwardly convex to the part drawing of extrusion pressing type wheel 5
2face, squeezing wave-wave peak maximum gauge is φ
1, extrusion pressing type wheel 5 is used in conjunction with external form tire 4, treats the processing thin-walled pipe mouth of pipe and pushes, and makes it to form required ripple, therefore R
1-R
2the wall thickness of=thin-wall circular tube to be processed, in the present embodiment R
1=1.5mm, R
2=0.5mm, crest moulding when ensureing to push, support arm hinge hole K
1the line of centres is to roller shaft installing hole K
2distance e=1/2 (φ-the φ at center
1).
Described external form tire 4 is shown in shown in Fig. 6 and 7, is made up of upper and lower type tire 41,42 that can folding, and the inner ring diameter forming after upper and lower type tire combination is D, and D equals the external diameter of workpiece 1, i.e. 40mm is provided with the pressure ripple R of indent at upper and lower type tire inner ring
1face, pressing corrugated crest maximum gauge is Φ, when use, upper and lower type tire by bolt combination together, is placed on the mouth of pipe place of workpiece 1.
Specifically add man-hour, by body of tool 2 front ends have circular bosses part that fit tolerance requires insert in workpiece 1 endoporus, make end face F with workpiece end face by putting down into positioning states, external form tire 4 end faces are leaned on to flat F face clip workpiece 1, suitably adjusting amount of compression adjustment screw 6 makes movable arms 3 rotate up the inwall that drives extrusion pressing type wheel 5 extruding workpiece (1) around support arm shaft 8, rotate flexible handle 10 and make body of tool 2 drive support arm shaft 8 rolling extrusion pressing type wheels 5 along inside pipe wall rotation, now extrusion pressing type wheel 5 has rotated primary feed processing along roller shaft 7.Repeat above process until movable arms 3 during against positive stop lug boss C, completes the processing and forming to workpiece.
Claims (3)
1. thin-wall circular pipe roll forming tool, comprise body of tool (2), movable arms (3), external form tire (4), extrusion pressing type wheel (5), adjustment screw (6), roller shaft (7), support arm shaft (8), flexible handle (9), it is characterized in that: described body of tool (2) is a large cylinder, front end is circular bosses part, bottom is provided with part location end face semicircle platform F, movable arms (3) is arranged on by support arm shaft (8) on the slotting ear cribbing B of body of tool (2), extrusion pressing type wheel (5) is arranged on movable arms (3) front end by roller shaft (7), extrusion pressing type wheel (5) cylindrical profile center is provided with the crowded ripple R of outwardly convex
2face, external form tire (4) is made up of mo(u)ld top half tire (41) and mo(u)ld bottom half tire (42) that can folding, is provided with the pressure ripple R of indent at upper and lower type tire inner ring
1face, in described movable arms (3), have orthogonal support arm hinge hole K
1with roller shaft installing hole K
2, support arm hinge hole K
1the line of centres is to roller shaft installing hole K
2the distance at center is e, support arm hinge hole K
1center is L to the distance at extrusion pressing type wheel (5) center, movable arms (3) is arranged on body of tool (2) by support arm shaft (8) and inserts on ear cribbing B, can rotate up and down around support arm shaft (8), extrusion pressing type wheel (5) is arranged on movable arms (3) front end by roller shaft (7), and the crest of extrusion pressing type wheel (5) is to support arm hinge hole K
1distance be L, the rear end of movable arms (3) is positioned at the top of support B rear portion limiting stand C, is provided with adjustment screw (6) in movable arms (3) middle part top, when use, the internal diameter of workpiece (1) is enclosed within on the circular bosses of body of tool (2) front end, make the end face of workpiece (1) be close to the location end face semicircle platform F of body of tool (2), external form tire (4) is enclosed within to the outside of workpiece (1), rotate flexible handle (9), under the acting in conjunction of extrusion pressing type wheel (5) and external form tire (4), complete the ripple forming of thin-wall circular tube joint.
2. thin-wall circular pipe roll forming tool according to claim 1, it is characterized in that: the nose circle boss part of described body of tool (2), its diameter d is less than the diameter of whole large cylinder and equates with the internal diameter of workpiece, the mid portion of body of tool (2) is cut out a plane, plane is provided with the slotting ear cribbing B that movable arms is installed, be provided with positive stop lug boss C at support B rear portion, on the right circles cylinder of body of tool, be provided with the bearing that flexible handle is installed.
3. thin-wall circular pipe roll forming tool according to claim 1, is characterized in that: the inner ring diameter D forming after upper and lower type tire combination equals the external diameter of workpiece (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010613134.2A CN102553995B (en) | 2010-12-30 | 2010-12-30 | Thin-wall circular pipe roll forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010613134.2A CN102553995B (en) | 2010-12-30 | 2010-12-30 | Thin-wall circular pipe roll forming tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102553995A CN102553995A (en) | 2012-07-11 |
| CN102553995B true CN102553995B (en) | 2014-10-01 |
Family
ID=46401368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010613134.2A Active CN102553995B (en) | 2010-12-30 | 2010-12-30 | Thin-wall circular pipe roll forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102553995B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794342B (en) * | 2012-08-08 | 2014-12-31 | 鸿基不锈钢有限公司 | Device for processing raised stripes on pipe |
| CN106270067B (en) * | 2016-08-23 | 2018-03-16 | 安徽安凯汽车股份有限公司 | A kind of car pipe end inside groove evagination constructional device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114414A (en) * | 1977-04-29 | 1978-09-19 | E.G. Sprinkler Corporation | Backup roll for thin walled pipe grooving device |
| CN2614809Y (en) * | 2003-04-23 | 2004-05-12 | 庞浩辉 | Convex collar forming tool for metal pipe |
| CN200984601Y (en) * | 2006-11-30 | 2007-12-05 | 成惠民 | Metal pipes convex ring forming tool |
| CN101104183A (en) * | 2006-07-14 | 2008-01-16 | 鸿基不锈钢有限公司 | Tube rolling press device |
| CN101104190A (en) * | 2006-07-12 | 2008-01-16 | 王明洁 | Extending bulge machine for tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3198308B2 (en) * | 1991-08-22 | 2001-08-13 | 日本鋼管継手株式会社 | Slotted Elbow Groove Processing Machine |
-
2010
- 2010-12-30 CN CN201010613134.2A patent/CN102553995B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114414A (en) * | 1977-04-29 | 1978-09-19 | E.G. Sprinkler Corporation | Backup roll for thin walled pipe grooving device |
| CN2614809Y (en) * | 2003-04-23 | 2004-05-12 | 庞浩辉 | Convex collar forming tool for metal pipe |
| CN101104190A (en) * | 2006-07-12 | 2008-01-16 | 王明洁 | Extending bulge machine for tube |
| CN101104183A (en) * | 2006-07-14 | 2008-01-16 | 鸿基不锈钢有限公司 | Tube rolling press device |
| CN200984601Y (en) * | 2006-11-30 | 2007-12-05 | 成惠民 | Metal pipes convex ring forming tool |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-52287A 1993.03.02 |
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| Publication number | Publication date |
|---|---|
| CN102553995A (en) | 2012-07-11 |
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