CN202199632U - Mono-oily cylinder minor-cycle bend device - Google Patents
Mono-oily cylinder minor-cycle bend device Download PDFInfo
- Publication number
- CN202199632U CN202199632U CN2011202485920U CN201120248592U CN202199632U CN 202199632 U CN202199632 U CN 202199632U CN 2011202485920 U CN2011202485920 U CN 2011202485920U CN 201120248592 U CN201120248592 U CN 201120248592U CN 202199632 U CN202199632 U CN 202199632U
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- CN
- China
- Prior art keywords
- chain
- bend pipe
- oil cylinder
- bend
- joint
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a mono-oily cylinder minor-cycle bend device, comprising a bend oil cylinder, a bend main shaft, a tensioning wheel, a bend arm installed on the bend main shaft, a plurality of chains, a plurality of chain joints and a chain tensioner. The bend oil cylinder is provided with a piston rod, the chain comprises a first chain sleeved on the bend main shaft and a second chain sleeved on the tensioning wheel and the chain joint comprises a first chain joint, a second chain joint and a third chain joint. The first chain joint is fixedly clamped with the piston rod through the first chain joint and the second chain joint is fixedly clamped with the piston rod through the second chain joint. The first and second chains are connected through the third chain joint. The third chain joint is fixedly clamped with the bend main shaft through a fixed piece. The mono-oily cylinder minor-cycle bend device increases the bend torque, improves the bend capacity, expands the bend specification and saves the cost.
Description
Technical field
The utility model relates to a kind of single oil cylinder partial circulating swan neck system.
Background technology
Develop rapidly along with socioeconomic; Growth in the living standard; In fields such as auto parts machinery, air conditioner refrigerating, sanitary bath equipment, upholstery, electric motor car industry, sports goods to the requirement of the quantity of various brake forming pipe fittings, specification all in continuous increase; Style constantly updates, and simultaneously bend pipe precision, surface quality is proposed higher requirement.The transmission system general using of tradition bending machine is the transmission of a cover oil cylinder realization power wherein, promptly through chain transmission of power is arrived the bend pipe arm, produces bending moment; Utilize an other cover oil cylinder promptly to move back curved oil cylinder simultaneously, the tensioning driving chain has produced the curved moment of moving back in the opposite direction.Therefore, be the difference of the moment of two oil cylinders generations in fact at the active force of really bestowing on the curved part.During to big pipe fitting of diameter or heavier walled fitting enforcement bending operation, can only adopt the thicker oil cylinder of diameter of piston rod, the more huge bending machine of volume carries out operation, and the equipment purchasing cost is high.
The utility model content
The utility model technical problem to be solved is: provide a kind of and can increase single oil cylinder partial circulating swan neck system that the bend pipe moment of torsion can reduce manufacturing cost again.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of single oil cylinder partial circulating swan neck system; This list oil cylinder partial circulating swan neck system comprises: bend pipe oil cylinder, bend pipe main shaft, regulating wheel, be installed on bend pipe arm on the bend pipe main shaft, number cutter chain bar, several chain joints and chain stretching device; Said bend pipe oil cylinder is provided with piston rod; Said chain comprises and is sheathed on the first cutter chain bar on the bend pipe main shaft and is sheathed on the second cutter chain bar on the regulating wheel; Said chain joint comprises first chain joint, second chain joint and the 3rd chain joint, and the said first cutter chain bar is through first chain joint and piston rod fixing mutually, and the said second cutter chain bar passes through second chain joint and piston rod fixing mutually; Be connected through the 3rd chain joint between the said first cutter chain bar and the second cutter chain bar, said the 3rd chain joint is through fixture and bend pipe main shaft fixing mutually.
The beneficial effect of the utility model is: the utility model comprises through single oil cylinder partial circulating swan neck system: bend pipe oil cylinder, bend pipe main shaft, regulating wheel, be installed on bend pipe arm on the bending machine main shaft, number cutter chain bar, several chain joints and chain stretching device; Thereby increased the bend pipe moment of torsion; Improved the bend pipe ability; Enlarge the bend pipe specification, practiced thrift cost.
Description of drawings
Fig. 1 is the structural representation of single oil cylinder partial circulating swan neck system.
Among Fig. 1: 1, bend pipe oil cylinder, 10, piston rod, 100, single oil cylinder partial circulating swan neck system, 2, the bend pipe main shaft, 3, regulating wheel; 4, bend pipe arm, 5, chain, 50, the first cutter chain bar, 51, the second cutter chain bar, 6, chain joint; 60, first chain joint, 61, second chain joint, the 62, the 3rd chain joint, 7, chain stretching device, 70, hinged seat; 71, screw mandrel, 72, the regulating wheel bearing, 720, fixed axis, 8, the hole.
The specific embodiment
See also Fig. 1; A kind of single oil cylinder partial circulating swan neck system 100; This list oil cylinder partial circulating swan neck system 100 comprises: bend pipe oil cylinder 1, bend pipe main shaft 2, regulating wheel 3, be installed on bend pipe arm 4 on the bend pipe main shaft 2, number cutter chain bar 5, several chain joints 6 and chain stretching device 7; Said bend pipe oil cylinder 1 is provided with piston rod 10, and said chain 5 comprises and be sheathed on the first cutter chain bar 50 on the bend pipe main shaft 2 and be sheathed on the second cutter chain bar 51 on the regulating wheel 3, and said chain joint 6 comprises first chain joint 60, second chain joint 61 and the 3rd chain joint 62; The said first cutter chain bar 50 is through first chain joint 60 and piston rod 10 fixing mutually; The said second cutter chain bar 51 is through second chain joint 61 and piston rod 10 fixing mutually, is connected through the 3rd chain joint 62 between the said first cutter chain bar 50 and the second cutter chain bar 51, and said the 3rd chain joint 62 passes through fixture and bend pipe main shaft 2 fixing mutually; In this embodiment, said fixture is a pin.Said chain stretching device 7 comprises hinged seat 70, be articulated in screw mandrel 71 on the hinged seat 70, be sheathed on the screw mandrel 71 and the regulating wheel bearing 72 that is threaded with screw mandrel 71; Said regulating wheel 3 is supported on the regulating wheel bearing 72, and the central authorities of said regulating wheel bearing 72 are provided with fixed axis 720.
The operation principle of this list oil cylinder partial circulating swan neck system 100 is: hydraulic oil is 8 entering from the hole; Promoting piston rod 10 moves right; Piston rod 10 ends drive bend pipe main shaft 2 through chain 5 and turn clockwise, and bend pipe main shaft 2 drives bend pipe arm 4 again and turns clockwise, and realize the bend pipe action.
In the prior art; The chain tension function normally realize by moving back by curved oil cylinder, and it is given through hydraulic system and moves back curved opposite thrust of oil cylinder, realizes the tensioning of chain; The active force that the feasible active force of really bestowing on the curved part of the two oil cylinder bend pipe structures of this kind is two oil cylinders generations is poor; And the bend pipe moment of torsion is directly proportional with active force on bestowing curved part, and therefore the bend pipe torque of this kind pair oil cylinder bend pipe structures is less, the bend pipe ability a little less than.
The computing formula of the bend pipe moment of torsion of two oil cylinder bend pipe structures is:
M=(F-F1)?·D/2
F: the thrust (N) that the bend pipe oil cylinder produces
F1: move back the thrust (N) that curved oil cylinder produces
M: bend pipe moment of torsion: Nm
D: bend pipe main shaft diameter (m)
And in the present invention, the chain tension function is realized by chain stretching device 7, has cancelled and has moved back curved oil cylinder; Make that the active force of bestowing on the curved part is the thrust that bend pipe oil cylinder 1 produces, thereby increased the bend pipe moment of torsion, improved the bend pipe ability; Enlarge the bend pipe specification, practiced thrift cost.
The computing formula of the bend pipe moment of torsion of single oil cylinder partial circulating swan neck system is:
M=F·D/2
F: the thrust (N) that the bend pipe oil cylinder produces
D: bend pipe main shaft diameter (m)
M: bend pipe moment of torsion (Nm)
Claims (3)
1. single oil cylinder partial circulating swan neck system; It is characterized in that: this list oil cylinder partial circulating swan neck system comprises: bend pipe oil cylinder, bend pipe main shaft, regulating wheel, be installed on bend pipe arm on the bend pipe main shaft, number cutter chain bar, several chain joints and chain stretching device; Said bend pipe oil cylinder is provided with piston rod; Said chain comprises and is sheathed on the first cutter chain bar on the bend pipe main shaft and is sheathed on the second cutter chain bar on the regulating wheel; Said chain joint comprises first chain joint, second chain joint and the 3rd chain joint, and the said first cutter chain bar is through first chain joint and piston rod fixing mutually, and the said second cutter chain bar passes through second chain joint and piston rod fixing mutually; Be connected through the 3rd chain joint between the said first cutter chain bar and the second cutter chain bar, said the 3rd chain joint is through fixture and bend pipe main shaft fixing mutually.
2. a kind of single oil cylinder partial circulating swan neck system as claimed in claim 1; It is characterized in that: said chain stretching device comprises hinged seat, is articulated in the screw mandrel on the hinged seat, the regulating wheel bearing that is sheathed on the screw mandrel and is connected with wire rod thread; Said regulating wheel is supported on the regulating wheel bearing, and the central authorities of said regulating wheel bearing are provided with fixed axis.
3. according to claim 1 or claim 2 a kind of single oil cylinder partial circulating swan neck system, it is characterized in that: said fixture is a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202485920U CN202199632U (en) | 2011-07-14 | 2011-07-14 | Mono-oily cylinder minor-cycle bend device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202485920U CN202199632U (en) | 2011-07-14 | 2011-07-14 | Mono-oily cylinder minor-cycle bend device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202199632U true CN202199632U (en) | 2012-04-25 |
Family
ID=45963770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202485920U Expired - Fee Related CN202199632U (en) | 2011-07-14 | 2011-07-14 | Mono-oily cylinder minor-cycle bend device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202199632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284570A (en) * | 2011-07-14 | 2011-12-21 | 张家港市明华机械制造有限公司 | Single-oil cylinder small-circle bent pipe device |
| CN105499343A (en) * | 2016-01-14 | 2016-04-20 | 张家港市台和机械制造有限公司 | Pipe bending device in pipe bending machine |
-
2011
- 2011-07-14 CN CN2011202485920U patent/CN202199632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284570A (en) * | 2011-07-14 | 2011-12-21 | 张家港市明华机械制造有限公司 | Single-oil cylinder small-circle bent pipe device |
| CN105499343A (en) * | 2016-01-14 | 2016-04-20 | 张家港市台和机械制造有限公司 | Pipe bending device in pipe bending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20160714 |