CN202461329U - Expanding machine - Google Patents
Expanding machine Download PDFInfo
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- CN202461329U CN202461329U CN2012200185555U CN201220018555U CN202461329U CN 202461329 U CN202461329 U CN 202461329U CN 2012200185555 U CN2012200185555 U CN 2012200185555U CN 201220018555 U CN201220018555 U CN 201220018555U CN 202461329 U CN202461329 U CN 202461329U
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- toggle
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- mandrel
- bloated
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Abstract
The utility model relates to an expanding machine which comprises a front seat, a rear seat, cylinders, piston rods, crankshaft mechanisms, movable supports, movable table plates, mandrels, and expansion mandrel parts and the like. The cylinders fixed on the rear machine seat control the movable supports fixed on the piston rods to move, the crankshaft mechanisms arranged on two sides of the movable supports drive the movable table plates to move so as to further drive the mandrels on the movable table plates to move axially, and accordingly expansion or contraction of the expansion mandrel parts on the mandrels is realized. Due to the double crankshaft mechanisms, the expanding machine is fast in opening and closing and has no impact to work pieces, quality of machined products is guaranteed, rejection rate of the products is effectively reduced, abrasion of the mandrels is avoided, service life of the expanding machine is improved, and maintenance cost is also reduced while maintenance is facilitated. Additionally, requirement for the cylinders is also lowered, manufacturing cost of the expanding machine is greatly reduced, and great economic benefits are brought to manufacturers.
Description
Technical field
The utility model relates to a kind of processing equipment of cylindrical metal section bar, and 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 situation need utilize pipe-expanding machine that revolving drum class workpiece is carried out reaming processing.At present, existing pipe-expanding machine all is through in-oil cylinder piston rod, promote to insert core rod in the workpiece hole and realizes enlarging, often need 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 receives 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.
The utility model content
The utility model purpose is for the deficiency that overcomes prior art a kind of minimizing energy consumption to be provided, and 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 scheme that the utility model adopts 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; Said forward and backward support is fixed through the screw amalgamation, and forms internal cavity; All have the fixing hole of fore-and-aft direction break-through internal cavity on the said forward and backward support coaxially; Said oil cylinder is installed on the fixing hole of back support, and is positioned at the outside of back support; Piston rod in the said oil cylinder passes the fixing hole of back support, and stretches in the internal cavity; Said travel(l)ing rest is fixed on the top of piston rod; Two ends on the said travel(l)ing rest above-below direction all connect toggle mechanism; The front end of said two toggle mechanisms all is fixed on the movable mold; The rear end of said two toggle mechanisms all is fixed on the support of back; On the said movable mold, be positioned at the opposite side of toggle mechanism, be fixed with the mandrel positioning seat; Said mandrel is fixed on the movable mold through the mandrel positioning seat; Said mandrel passes preceding support through the fixing hole of preceding support; Said mandrel is taper, and its outside is provided with the bloated carcass of six Equal round arcs; When said six bloated carcasses fit together, be a complete circle cylinder that is enclosed within on the mandrel; The bigger diameter end place of said 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 said each bloated carcass; Said leg all is fixed in the placenta that expands through a bloated tire pressure plate that matches with bloated placenta; The other end of said bloated carcass bands together through a ring spring; Said 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 said piston rod is regained oil cylinder, promote travel(l)ing rest and move to oil cylinder, and spur mandrel in the support inboard forward through toggle mechanism, the bloated carcass on the mandrel radially inwardly shrinks simultaneously.
Preferably, said toggle mechanism comprises support, upper elbow lever, toggle bar and short connecting rod; Said support is two for every group, and is separately fixed on the movable mold on the madial wall with the back support; One end of said upper elbow lever is hinged with the support that is fixed on the movable mold; Said 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 said upper elbow lever is hinged on toggle stock and toggle quarter butt junction; The tail end of said toggle stock is hinged with the support that is fixed on the support madial wall of back; The tail end of said toggle quarter butt is hinged on the travel(l)ing rest through short connecting rod; When said 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 said mandrel is a hexagon, and mandrel is provided with six guiding surfaces; Said bloated carcass all is located at the guiding surface outside.
Preferably, also be fixed with two guide upright posts on the madial wall of said back support; Said 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 with the parallel axes ground of piston rod; Said travel(l)ing rest is " ten " font; The right ends of said travel(l)ing rest is enclosed within respectively on two guide upright posts, and travel(l)ing rest can slide front and back on guide upright post.
Preferably, said forward and backward support is E shape, and after the forward and backward support amalgamation connection, on left and right directions, forms two independently internal cavities.
Because the utilization of technique scheme, the utility model compared with prior art has advantage:
A kind of pipe-expanding machine of the utility model scheme, through the piston rod in the oil cylinder, control toggle mechanism comes the push-and-pull mandrel, thereby realizes the 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 the manufacturing and the use cost of machine; And workpiece is set on the carcass that expands, and the expansion through 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 pipe-expanding machine of the utility model scheme, also reduced requirement, reduced the manufacturing and the use cost of machine to a great extent, bring very big economic benefit to production firm to oil cylinder.
Description of drawings
Below in conjunction with accompanying drawing the utility model technical scheme is described further:
Accompanying drawing 1 is the stereogram of the utility model pipe-expanding machine;
Internal structure sketch map when accompanying drawing 2 is the bloated carcass enlarging of the utility model pipe-expanding machine;
Accompanying drawing 3 is the exploded view of accompanying drawing 2;
Accompanying drawing 4 is the mandrel of the utility model pipe-expanding machine and the exploded view of bloated carcass fixed structure;
Accompanying drawing 5 is the internal structure sketch map of the bloated carcass of the utility model pipe-expanding machine when shrinking;
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
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
Accompanying drawing 1-5 is the described a kind of pipe-expanding machine of the utility model, 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 said, and after preceding support 1, back support 2 connect through the screw amalgamation, on left and right directions, form two independently internal cavities 23; On support 1, the back support 2, on left and right directions, have two groups of fixing holes 22 respectively coaxially before said, and the equal break-through internal cavity 23 on fore-and-aft direction of every group of fixing hole 22; Said every group of fixing hole 22 is two, and all is opened in respectively coaxially on preceding support 1 and the back support 2; Said 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; Said two enlarging mechanisms are respectively by left oil cylinder 25,3 controls of right oil cylinder, and are located at respectively in two internal cavities 23.
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 said 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; Said travel(l)ing rest 5 is " ten " font, and it is fixed on the top of piston rod 4; Two ends on said travel(l)ing rest 5 above-below directions all connect toggle mechanism 7; The front end of said two toggle mechanisms 7 all is fixed on the movable mold 6; The rear end of said two toggle mechanisms 7 all is fixed on the support 2 of back; On the said movable mold 6, be positioned at the opposite side of toggle mechanism 7, be fixed with mandrel positioning seat 13; Said mandrel 9 is fixed on the movable mold 6 through mandrel positioning seat 13; Said mandrel 9 passes preceding support 1 through the fixing hole 22 of preceding support 1; Said mandrel 9 is taper, and its cone angle requires to decide according to the enlarging of workpiece; The cross section of said mandrel 9 is a hexagon, and mandrel 9 is provided with six guiding surfaces 19; The outside of said each guiding surface 19 is equipped with the carcass 11 that expands; Said 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 said 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 said each bloated carcass 11; Said leg 24 all is fixed in the placenta 8 that expands through a bloated tire pressure plate 10 that matches with bloated placenta 8; The other end of said bloated carcass 11 bands together through a ring spring 18; In said two internal cavities 23, be positioned on the madial wall of back support 2, all be fixed with two guide upright posts 12; Said 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 with the parallel axes ground of piston rod 4; The right ends of said travel(l)ing rest 5 is 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; Said support is two for 14 every groups, and is separately fixed on the movable mold 6 on the madial wall with back support 2; One end of said upper elbow lever 16 is hinged with the support 14 that is fixed on the movable mold 6; Said 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 said upper elbow lever 16 is hinged on the junction of toggle stock 20 and toggle quarter butt 21; The tail end of said toggle stock 20 is hinged with the support 14 that is fixed on support 2 madial walls of back; The tail end of said toggle quarter butt 21 is hinged on the travel(l)ing rest 5 through short connecting rod 17.
The operation principle of two enlarging mechanisms of above-mentioned left oil cylinder 25,3 controls of right oil cylinder is identical; Enlarging mechanism with 3 controls of right oil cylinder is an example, and 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 drives movable mold 6 away from travel(l)ing rest 5, moves to the direction away from right oil cylinder 3 thereby drive mandrel 9; 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 moved, pulling travel(l)ing rest 5 was near right oil cylinder 3, and the short connecting rod 17 on the travel(l)ing rest 5 drives toggle bars 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 rest 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 utility model compared with prior art has advantage:
A kind of pipe-expanding machine of the utility model scheme, through the piston rod in the oil cylinder, control toggle mechanism; Come the push-and-pull mandrel, thereby realize the 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 accomplishing same enlarging workpiece with a kind of mandrel and bloated tire respectively, also can use different mandrels and bloated tire respectively, accomplish the enlarging operation of two different size model enlarging workpiece respectively.The pipe-expanding machine of the utility model scheme, 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 the utility model pipe-expanding machine to carry out the enlarging operation, workpiece is set on the carcass that expands, and the expansion through 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 pipe-expanding machine of the utility model scheme, also reduced requirement oil cylinder; The oil cylinder that uses is less, has not only accelerated operating rate, has improved operating efficiency; And also reduced the manufacturing and the use cost of machine to a great extent, bring very big economic benefit to production firm.The pipe-expanding machine of the utility model scheme can use different mandrels and bloated tire, accomplishes and reach the enlarging requirement of different workpieces simultaneously, has promoted the complete function property and the practicality of pipe-expanding machine.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model 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 utility model, all drop within the utility model rights protection scope.
Claims (5)
1. a pipe-expanding machine comprises preceding support, back support, oil cylinder and piston rod, and said forward and backward support is fixed through the screw amalgamation, and forms internal cavity; All have coaxially on the said forward and backward support, at the fixing hole of fore-and-aft direction break-through internal cavity; Said oil cylinder is installed on the fixing hole of back support, and is positioned at the outside of back support; Piston rod in the said 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; Said travel(l)ing rest is fixed on the top of piston rod; Two ends on the said travel(l)ing rest above-below direction all connect toggle mechanism; The front end of said two toggle mechanisms all is fixed on the movable mold; The rear end of said two toggle mechanisms all is fixed on the support of back; On the said movable mold, be positioned at the opposite side of toggle mechanism, be fixed with the mandrel positioning seat; Said mandrel is fixed on the movable mold through the mandrel positioning seat; Said mandrel passes preceding support through the fixing hole of preceding support; Said 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 said six bloated carcasses fit together, be a complete circle cylinder that is enclosed within on the mandrel; The bigger diameter end place of said 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 said each bloated carcass; Said leg all is fixed in the placenta that expands through a bloated tire pressure plate that matches with bloated placenta; The other end of said bloated carcass bands together through a ring spring; When said 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 said piston rod is regained oil cylinder, promote travel(l)ing rest and move to oil cylinder, and spur mandrel in the support inboard forward through toggle mechanism, the bloated carcass on the mandrel radially inwardly shrinks simultaneously.
2. pipe-expanding machine according to claim 1 is characterized in that: said toggle mechanism comprises support, upper elbow lever, toggle bar and short connecting rod; Said support is two for every group, and is separately fixed on the movable mold on the madial wall with the back support; One end of said upper elbow lever is hinged with the support that is fixed on the movable mold; Said 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 said upper elbow lever is hinged on toggle stock and toggle quarter butt junction; The tail end of said toggle stock is hinged with the support that is fixed on the support madial wall of back; The tail end of said toggle quarter butt is hinged on the travel(l)ing rest through short connecting rod; When said 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 is characterized in that: the cross section of said mandrel is a hexagon, and mandrel is provided with six guiding surfaces; Said 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: also be fixed with two guide upright posts on the madial wall of said back support; Said 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 with the parallel axes ground of piston rod; Said travel(l)ing rest is " ten " font; The right ends of said travel(l)ing rest is 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 is characterized in that: said forward and backward support is E shape, and after the forward and backward support amalgamation connection, on left and right directions, forms two independently internal cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200185555U CN202461329U (en) | 2012-01-17 | 2012-01-17 | Expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200185555U CN202461329U (en) | 2012-01-17 | 2012-01-17 | Expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202461329U true CN202461329U (en) | 2012-10-03 |
Family
ID=46909527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200185555U Withdrawn - After Issue CN202461329U (en) | 2012-01-17 | 2012-01-17 | Expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202461329U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527862A (en) * | 2012-01-17 | 2012-07-04 | 苏州市越海拉伸机械有限公司 | Flaring machine |
| CN107718625A (en) * | 2017-11-27 | 2018-02-23 | 苏州韩工机械科技有限公司 | Decompressor |
| CN110681767A (en) * | 2019-10-15 | 2020-01-14 | 苏州工业园区麦特自动化技术有限公司 | Inner ring hydraulic expanding mechanism |
| CN114523028A (en) * | 2022-01-26 | 2022-05-24 | 苏州市越海拉伸机械有限公司 | Multi-head stretching device and stress relief stretcher using same |
-
2012
- 2012-01-17 CN CN2012200185555U patent/CN202461329U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527862A (en) * | 2012-01-17 | 2012-07-04 | 苏州市越海拉伸机械有限公司 | Flaring machine |
| CN102527862B (en) * | 2012-01-17 | 2013-08-21 | 苏州市越海拉伸机械有限公司 | Flaring machine |
| CN107718625A (en) * | 2017-11-27 | 2018-02-23 | 苏州韩工机械科技有限公司 | Decompressor |
| CN110681767A (en) * | 2019-10-15 | 2020-01-14 | 苏州工业园区麦特自动化技术有限公司 | Inner ring hydraulic expanding mechanism |
| CN114523028A (en) * | 2022-01-26 | 2022-05-24 | 苏州市越海拉伸机械有限公司 | Multi-head stretching device and stress relief stretcher using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130821 |
|
| RGAV | Abandon patent right to avoid regrant |