CN102527862B - Flaring machine - Google Patents
Flaring machine Download PDFInfo
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- CN102527862B CN102527862B CN 201210012704 CN201210012704A CN102527862B CN 102527862 B CN102527862 B CN 102527862B CN 201210012704 CN201210012704 CN 201210012704 CN 201210012704 A CN201210012704 A CN 201210012704A CN 102527862 B CN102527862 B CN 102527862B
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- toggle
- support
- mandrel
- bloated
- travel
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Abstract
The invention relates to a flaring machine which comprises a front bed, a rear bed, an oil cylinder, a piston rod, crankshaft mechanisms, a movable bracket, a movable bedplate, a core shaft, a tire expanding body and the like. The movable bracket fixed on the piston rod is controlled to move by the oil cylinder fixed on the rear bed and the movable bedplate is driven to move by the crankshaft mechanisms at both sides of the movable bracket, so that the core shaft on the movable bedplate is driven to axially move, and thus, the expansion or shrinkage of the tire expanding body on the core shaft is implemented. According to the flaring machine disclosed by the scheme of the invention, due to the adoption of the double crankshaft mechanisms, the flaring machine has high opening and closing speed and has no impact force to a workpiece, the quality of a processed product is ensured and the scrappage of the product is effectively reduced; the wear of the core shaft is avoided, the service life of the machine is prolonged, and the maintenance cost is reduced when the flaring machine is convenient to maintain; and moreover, the requirement on the oil cylinder is also reduced, the manufacturing cost of the machine is reduced to a great extent and great economic benefits are brought to manufacturers.
Description
Technical field
The present invention relates to a kind of processing equipment of cylindrical metal section bar, the pipe-expanding machine that especially a kind of enlarging is used belongs to the plant equipment field.
Background technology
In processing, manufacturing, often because various situations need utilize pipe-expanding machine that revolving drum class workpiece is carried out reaming processing.At present, existing pipe-expanding machine all is by in-oil cylinder piston rod, promote to insert core rod in the workpiece hole and realizes often needing enlarging to dispose very large-scale oil cylinder, has increased the manufacturing cost of machine, has also wasted a lot of energy simultaneously; And during enlarging, the impulsive force that workpiece is subjected to is very big, defective work piece often, and serious deviation appears in enlarging, has reduced the quality of product, has increased the scrappage of product; In addition, because the serious wear of core rod, and the maintenance cost of core rod is higher, and the core rod replacing is also extremely inconvenient, brings very big inconvenience for the maintenance of machine, has also reduced the service life of pipe-expanding machine to a great extent.
Summary of the invention
The present invention seeks to provides a kind of minimizing energy consumption in order to overcome the deficiencies in the prior art, reduces machine manufacturing and use cost, guarantees the quality of converted products, improves machine service life and pipe-expanding machine easy to maintenance.
For achieving the above object, the technical solution used in the present invention is: a kind of pipe-expanding machine comprises preceding support, back support, oil cylinder, piston rod, travel(l)ing rest, toggle mechanism, movable mold, mandrel positioning seat, mandrel and bloated carcass; Described forward and backward support is fixed by the screw amalgamation, and forms internal cavity; All have the fixing hole of fore-and-aft direction break-through internal cavity on the described forward and backward support coaxially; Described oil cylinder is installed on the fixing hole of back support, and is positioned at the outside of back support; Piston rod in the described oil cylinder passes the fixing hole of back support, and stretches in the internal cavity; Described travel(l)ing rest is fixed on the top of piston rod; Two ends on the described travel(l)ing rest above-below direction all connect toggle mechanism; The front end of described two toggle mechanisms all is fixed on the movable mold; The rear end of described two toggle mechanisms all is fixed on the support of back; On the described movable mold, be positioned at the opposite side of toggle mechanism, the mandrel positioning seat is fixedly arranged; Described mandrel is fixed on the movable mold by the mandrel positioning seat; Described mandrel passes preceding support by the fixing hole of preceding support; Described mandrel is taper, and its outside is provided with the bloated carcass of six Equal round arcs; When described six bloated carcasses fit together, be a complete circle cylinder that is enclosed within on the mandrel; The bigger diameter end place of described mandrel also is provided with the bloated placenta of disc, and bloated placenta is fixed on the lateral surface of preceding support; Near an end of the placenta that expands, all radially be extended with leg on described each bloated carcass; Described leg all is fixed in the placenta that expands by a bloated tire pressure plate that matches with bloated placenta; The other end of described bloated carcass bands together by a ring spring; Described piston rod is done when stretching out the oil cylinder motion, promotes travel(l)ing rest away from oil cylinder, and passes through toggle mechanism to the extrapolation mandrel, and the bloated carcass on the mandrel is expansion radially outward simultaneously; When described piston rod is regained oil cylinder, promote travel(l)ing rest and move to oil cylinder, and spur mandrel in the support inboard forward by toggle mechanism, the bloated carcass on the mandrel radially inwardly shrinks simultaneously.
Preferably, described toggle mechanism comprises support, upper elbow lever, toggle bar and short connecting rod; Described support is two for every group, and be separately fixed on the movable mold and the madial wall of back support on; One end of described upper elbow lever is hinged with the support that is fixed on the movable mold; Described toggle bar is made up of toggle stock and toggle quarter butt, and toggle stock and toggle quarter butt shape are in an angle; The other end of described upper elbow lever is hinged on toggle stock and toggle quarter butt junction; The tail end of described toggle stock is hinged with the support that is fixed on the support madial wall of back; The tail end of described toggle quarter butt is hinged on the travel(l)ing rest by short connecting rod; When described travel(l)ing rest moved, short connecting rod drove the rotation of toggle bar, and the toggle bar drives the upper elbow lever rotation, thereby makes movable mold consistent with the moving direction of travel(l)ing rest.
Preferably, the cross section of described mandrel is hexagon, and mandrel is provided with six guiding surfaces; Described bloated carcass all is located at the guiding surface outside.
Preferably, on the madial wall of described back support two guide upright posts are arranged fixedly also; Described guide upright post is separately fixed at the left and right sides of piston rod, and the center line of guide upright post is all installed at grade abreast with the axis of piston rod; Described travel(l)ing rest is " ten " font; The two ends, the left and right sides of described travel(l)ing rest are enclosed within respectively on two guide upright posts, and travel(l)ing rest can slide front and back on guide upright post.
Preferably, described forward and backward support is E shape, and after the forward and backward support amalgamation connection, forms two independently internal cavities at left and right directions.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
A kind of pipe-expanding machine of the present invention program, by the piston rod in the oil cylinder, control toggle mechanism comes the push-and-pull mandrel, thereby realizes expansion and the contraction of bloated carcass on the mandrel; Because the toggle mechanism that has adopted the power amplification, its folding speed is fast, and workpiece is not had impulsive force, guarantees the converted products quality, when reducing product rejection rate, has also reduced energy consumption, has reduced manufacturing and the use cost of machine; And workpiece is set on the carcass that expands, and the expansion by the carcass that expands has been avoided the wearing and tearing of mandrel to the workpiece enlarging, has improved the service life of machine, when being convenient to keep in repair, has also reduced the cost of maintenance; In addition, adopt the present invention program's pipe-expanding machine, also reduced the requirement to oil cylinder, reduced manufacturing and the use cost of machine to a great extent, bring very big economic benefit to production firm.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Accompanying drawing 1 is the stereogram of pipe-expanding machine of the present invention;
The accompanying drawing 2 internal structure schematic diagram during for the bloated carcass enlarging of pipe-expanding machine of the present invention;
Accompanying drawing 3 is the exploded view of accompanying drawing 2;
Accompanying drawing 4 is the exploded view of the mandrel of pipe-expanding machine of the present invention and bloated carcass fixed structure;
Internal structure schematic diagram when accompanying drawing 5 shrinks for the bloated carcass of pipe-expanding machine of the present invention;
Wherein: 1, preceding support; 2, back support; 3, right oil cylinder; 4, piston rod; 5, travel(l)ing rest; 6, movable mold; 7, toggle mechanism; 8, bloated placenta; 9, mandrel; 10, bloated tire pressure plate; 11, bloated carcass; 12, guide upright post; 13, mandrel positioning seat; 14, support; 15, toggle bar; 16, upper elbow lever; 17, short connecting rod; 18, ring spring; 19, guiding surface; 20, toggle stock; 21, toggle quarter butt; 22, fixing hole; 23, internal cavity; 24, leg; 25, left oil cylinder.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Accompanying drawing 1-5 is a kind of pipe-expanding machine of the present invention, support 1, back support 2, left oil cylinder 25, right oil cylinder 3 and two enlarging mechanisms before comprising; Support 1, back support 2 are E shape before described, and after preceding support 1, back support 2 connect by the screw amalgamation, form two independently internal cavities 23 at left and right directions; On support 1, the back support 2, on left and right directions, have two groups of fixing holes 22 respectively coaxially before described, and the equal break-through internal cavity 23 on fore-and-aft direction of every group of fixing hole 22; Described every group of fixing hole 22 is two, and all is opened in respectively coaxially on preceding support 1 and the back support 2; Described left oil cylinder 25, right oil cylinder 3 are installed in respectively on left and right two fixing holes 22 of back support 2, and all are positioned at the outside of back support 2; Described two enlarging mechanisms are controlled, and are located at respectively in two internal cavities 23 by left oil cylinder 25, right oil cylinder 3 respectively.
Above-mentioned enlarging mechanism comprises travel(l)ing rest 5, toggle mechanism 7, movable mold 6, mandrel positioning seat 13, mandrel 9 and bloated carcass 11; Piston rod 4 in described left oil cylinder 25, the right oil cylinder 3 passes the fixing hole 22 of back support 2, and stretches in the internal cavity 23; Described travel(l)ing rest 5 is " ten " font, and it is fixed on the top of piston rod 4; Two ends on described travel(l)ing rest 5 above-below directions all connect toggle mechanism 7; The front end of described two toggle mechanisms 7 all is fixed on the movable mold 6; The rear end of described two toggle mechanisms 7 all is fixed on the support 2 of back; On the described movable mold 6, be positioned at the opposite side of toggle mechanism 7, mandrel positioning seat 13 is fixedly arranged; Described mandrel 9 is fixed on the movable mold 6 by mandrel positioning seat 13; Described mandrel 9 passes preceding support 1 by the fixing hole 22 of preceding support 1; Described mandrel 9 is taper, and its cone angle requires to decide according to the enlarging of workpiece; The cross section of described mandrel 9 is hexagon, and mandrel 9 is provided with six guiding surfaces 19; The outside of described each guiding surface 19 is equipped with the carcass 11 that expands; Described six bloated carcasses 11 are the circular arc of six five equilibriums, and six bloated carcasses 11 are a complete circle cylinder that is enclosed within on the mandrel 9 when fitting together; The bigger diameter end place of described mandrel 9 also is provided with the bloated placenta 8 of disc, and bloated placenta 8 is fixed on the lateral surface of preceding support 1; Near an end of the placenta 8 that expands, all radially be extended with leg 24 on described each bloated carcass 11; Described leg 24 all is fixed in the placenta 8 that expands by a bloated tire pressure plate 10 that matches with bloated placenta 8; The other end of described bloated carcass 11 bands together by a ring spring 18; In described two internal cavities 23, be positioned on the madial wall of back support 2, two guide upright posts 12 are all fixedly arranged; Described two guide upright posts 12 are separately fixed at the left and right sides of piston rod 4, and the center line of guide upright post 12 is all installed at grade abreast with the axis of piston rod 4; The two ends, the left and right sides of described travel(l)ing rest 5 are enclosed within respectively on two guide upright posts 12, and travel(l)ing rest 5 can slide front and back on guide upright post 12.
Above-mentioned toggle mechanism 7 comprises support 14, upper elbow lever 16, toggle bar 15 and short connecting rod 17; Described support is two for 14 every groups, and be separately fixed on the movable mold 6 and the madial wall of back support 2 on; One end of described upper elbow lever 16 is hinged with the support 14 that is fixed on the movable mold 6; Described toggle bar 15 is made up of toggle stock 20 and toggle quarter butt 21, and toggle stock 20 and toggle quarter butt 21 shapes are in an angle; The other end of described upper elbow lever 16 is hinged on the junction of toggle stock 20 and toggle quarter butt 21; The tail end of described toggle stock 20 is hinged with the support 14 that is fixed on support 2 madial walls of back; The tail end of described toggle quarter butt 21 is hinged on the travel(l)ing rest 5 by short connecting rod 17.
Above-mentioned left oil cylinder 25, the operation principle of two enlarging mechanisms of right oil cylinder 3 controls is identical, enlarging mechanism with right oil cylinder 3 controls is example, its operation principle is: when piston rod 4 does to stretch out right oil cylinder 3 motions, promote travel(l)ing rest 5 away from right oil cylinder 3, short connecting rod 17 on the travel(l)ing rest 5 drives toggle bar 15 to the direction rotation away from travel(l)ing rest 5, toggle bar 15 drives upper elbow lever 16 to the direction rotation away from travel(l)ing rest 5, and then drive movable mold 6 away from travel(l)ing rest 5, thereby driving mandrel 9 moves to the direction away from right oil cylinder 3, bloated carcass 11 on the mandrel 9 will radially outward be expanded at this moment, realizes enlarging; When the right oil cylinder 3 of piston rod 4 withdrawals moves, pulling travel(l)ing rest 5 is near right oil cylinder 3, short connecting rod 17 on the travel(l)ing rest 5 drives toggle bar 15 and rotates to travel(l)ing rest 5 directions, toggle bar 15 drives upper elbow levers 16 to the rotation of travel(l)ing rest 5 directions, and then drives movable mold 6 near travel(l)ing rests 5, thus drive mandrel 9 to the right oil cylinder 3 directions move, bloated carcass 11 on the mandrel 9 radially inwardly shrinks at this moment, because the effect of ring spring 18, the carcass 11 that expands resets, and realizes shrinking.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
A kind of pipe-expanding machine of the present invention program, by the piston rod in the oil cylinder, control toggle mechanism, come the push-and-pull mandrel, thereby realize expansion and the contraction of bloated carcass on the mandrel, and it adopts two to overlap independently enlarging device, respectively by two oil cylinder controls, both can use twice enlarging operation finishing same enlarging workpiece with a kind of mandrel and bloated tire respectively, also can use different mandrels and bloated tire respectively, finish the enlarging operation of two different size model enlarging workpiece respectively.The present invention program's pipe-expanding machine, because the toggle mechanism that has adopted the power amplification, its folding speed is fast, and workpiece is not had impulsive force, has guaranteed the converted products quality, has reduced product rejection rate, and can save the energy 70%; When adopting pipe-expanding machine of the present invention to carry out the enlarging operation, workpiece is set on the carcass that expands, and the expansion by the carcass that expands has been avoided the wearing and tearing of mandrel to the workpiece enlarging, has improved the service life of machine, when being convenient to keep in repair, has also reduced the cost of maintenance; In addition, adopt the present invention program's pipe-expanding machine, also reduced the requirement to oil cylinder, the oil cylinder that uses is less, has not only accelerated operating rate, has improved operating efficiency, and also reduced manufacturing and the use cost of machine to a great extent, bring very big economic benefit to production firm.The present invention program's pipe-expanding machine can use different mandrels and bloated tire, finishes and reach the enlarging requirement of different workpieces simultaneously, has promoted complete function and the practicality of pipe-expanding machine.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the present invention, all drop within the rights protection scope of the present invention.
Claims (5)
1. a pipe-expanding machine comprises preceding support, back support, oil cylinder and piston rod, and described forward and backward support is fixed by the screw amalgamation, and forms internal cavity; All have coaxially on the described forward and backward support, at the fixing hole of fore-and-aft direction break-through internal cavity; Described oil cylinder is installed on the fixing hole of back support, and is positioned at the outside of back support; Piston rod in the described oil cylinder passes the fixing hole of back support, and stretches in the internal cavity, it is characterized in that: also comprise travel(l)ing rest, toggle mechanism, movable mold, mandrel positioning seat, mandrel and bloated carcass; Described travel(l)ing rest is fixed on the top of piston rod; Two ends on the described travel(l)ing rest above-below direction all connect toggle mechanism; The front end of described two toggle mechanisms all is fixed on the movable mold; The rear end of described two toggle mechanisms all is fixed on the support of back; On the described movable mold, be positioned at the opposite side of toggle mechanism, the mandrel positioning seat is fixedly arranged; Described mandrel is fixed on the movable mold by the mandrel positioning seat; Described mandrel passes preceding support by the fixing hole of preceding support; Described mandrel is taper, and its cone angle requires to decide according to the enlarging of workpiece, and its outside is provided with the bloated carcass of six Equal round arcs; When described six bloated carcasses fit together, be a complete circle cylinder that is enclosed within on the mandrel; The bigger diameter end place of described mandrel also is provided with the bloated placenta of disc, and bloated placenta is fixed on the lateral surface of preceding support; Near an end of the placenta that expands, all radially be extended with leg on described each bloated carcass; Described leg all is fixed in the placenta that expands by a bloated tire pressure plate that matches with bloated placenta; The other end of described bloated carcass bands together by a ring spring; When described piston rod does to stretch out the oil cylinder motion, promote travel(l)ing rest away from oil cylinder, and pass through toggle mechanism to the extrapolation mandrel, the bloated carcass on the mandrel is expansion radially outward simultaneously; When described piston rod is regained oil cylinder, promote travel(l)ing rest and move to oil cylinder, and spur mandrel in the support inboard forward by toggle mechanism, the bloated carcass on the mandrel radially inwardly shrinks simultaneously.
2. pipe-expanding machine according to claim 1 is characterized in that: described toggle mechanism comprises support, upper elbow lever, toggle bar and short connecting rod; Described support is two for every group, and be separately fixed on the movable mold and the madial wall of back support on; One end of described upper elbow lever is hinged with the support that is fixed on the movable mold; Described toggle bar is made up of toggle stock and toggle quarter butt, and toggle stock and toggle quarter butt shape are in an angle; The other end of described upper elbow lever is hinged on toggle stock and toggle quarter butt junction; The tail end of described toggle stock is hinged with the support that is fixed on the support madial wall of back; The tail end of described toggle quarter butt is hinged on the travel(l)ing rest by short connecting rod; When described travel(l)ing rest moved, short connecting rod drove the rotation of toggle bar, and the toggle bar drives the upper elbow lever rotation, thereby makes movable mold consistent with the moving direction of travel(l)ing rest.
3. pipe-expanding machine according to claim 2, it is characterized in that: the cross section of described mandrel is hexagon, and mandrel is provided with six guiding surfaces; Described bloated carcass all is located at the guiding surface outside.
4. according to claim 2 or 3 described pipe-expanding machines, it is characterized in that: on the madial wall of described back support two guide upright posts are arranged fixedly also; Described guide upright post is separately fixed at the left and right sides of piston rod, and the center line of guide upright post is all installed at grade abreast with the axis of piston rod; Described travel(l)ing rest is " ten " font; The two ends, the left and right sides of described travel(l)ing rest are enclosed within respectively on two guide upright posts, and travel(l)ing rest can slide front and back on guide upright post.
5. pipe-expanding machine according to claim 4, it is characterized in that: described forward and backward support is E shape, and after forward and backward support amalgamation connects, forms two independently internal cavities at left and right directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210012704 CN102527862B (en) | 2012-01-17 | 2012-01-17 | Flaring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210012704 CN102527862B (en) | 2012-01-17 | 2012-01-17 | Flaring machine |
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| Publication Number | Publication Date |
|---|---|
| CN102527862A CN102527862A (en) | 2012-07-04 |
| CN102527862B true CN102527862B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210012704 Expired - Fee Related CN102527862B (en) | 2012-01-17 | 2012-01-17 | Flaring machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2600993A4 (en) | 2010-08-06 | 2017-07-12 | American Grease Stick Company | Hand held flaring tool |
| WO2015066315A2 (en) * | 2013-10-30 | 2015-05-07 | American Grease Stick Company | Hand held flaring tool |
| CN107695188A (en) * | 2017-09-30 | 2018-02-16 | 烟台鲁宝钢管有限责任公司 | A kind of expanding method for putting forward effect drop expense of pipe end and special expander die |
| CN112621135A (en) * | 2020-12-23 | 2021-04-09 | 河北亿利康纳利亚环保科技有限公司 | Post-treatment non-guide die carrier packaging process |
| CN114602990A (en) * | 2022-03-14 | 2022-06-10 | 南京理工大学 | Pipe fitting hydraulic forming machine adopting hydraulic toggle rod type clamping mechanism |
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| EP0653256A1 (en) * | 1993-11-12 | 1995-05-17 | DE WAAL TECHNOLOGY & CONSULTANCY B.V. | Device for mechanically expanding a pipe or pipe section |
| CN1622863A (en) * | 2002-08-28 | 2005-06-01 | 小川清 | Composite fabrication facility of steel tube and fabrication method of steel tube |
| CA2576487A1 (en) * | 2007-02-20 | 2007-06-03 | Eagle Precision Technologies Limited | An i/o endforming tool for forming tubes and method of manufacture thereof |
| CN101623738A (en) * | 2008-07-08 | 2010-01-13 | 中山市奥美森工业有限公司 | Clamping device of pipe expander |
| CN201625735U (en) * | 2010-02-04 | 2010-11-10 | 伊顿（宁波）流体连接件有限公司 | Metal pipe belling former |
| CN201751042U (en) * | 2010-06-23 | 2011-02-23 | 浙江嘉兴亚达不锈钢制造有限公司 | Flaring mould of pipe fitting |
| CN201751041U (en) * | 2010-06-23 | 2011-02-23 | 浙江嘉兴亚达不锈钢制造有限公司 | Pipe fitting expanding machine |
| CN202461329U (en) * | 2012-01-17 | 2012-10-03 | 苏州市越海拉伸机械有限公司 | Expanding machine |
-
2012
- 2012-01-17 CN CN 201210012704 patent/CN102527862B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653256A1 (en) * | 1993-11-12 | 1995-05-17 | DE WAAL TECHNOLOGY & CONSULTANCY B.V. | Device for mechanically expanding a pipe or pipe section |
| CN1622863A (en) * | 2002-08-28 | 2005-06-01 | 小川清 | Composite fabrication facility of steel tube and fabrication method of steel tube |
| CA2576487A1 (en) * | 2007-02-20 | 2007-06-03 | Eagle Precision Technologies Limited | An i/o endforming tool for forming tubes and method of manufacture thereof |
| CN101623738A (en) * | 2008-07-08 | 2010-01-13 | 中山市奥美森工业有限公司 | Clamping device of pipe expander |
| CN201625735U (en) * | 2010-02-04 | 2010-11-10 | 伊顿（宁波）流体连接件有限公司 | Metal pipe belling former |
| CN201751042U (en) * | 2010-06-23 | 2011-02-23 | 浙江嘉兴亚达不锈钢制造有限公司 | Flaring mould of pipe fitting |
| CN201751041U (en) * | 2010-06-23 | 2011-02-23 | 浙江嘉兴亚达不锈钢制造有限公司 | Pipe fitting expanding machine |
| CN202461329U (en) * | 2012-01-17 | 2012-10-03 | 苏州市越海拉伸机械有限公司 | Expanding machine |
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