CN101352737A - Single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet - Google Patents
Single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet Download PDFInfo
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- CN101352737A CN101352737A CNA2008101968921A CN200810196892A CN101352737A CN 101352737 A CN101352737 A CN 101352737A CN A2008101968921 A CNA2008101968921 A CN A2008101968921A CN 200810196892 A CN200810196892 A CN 200810196892A CN 101352737 A CN101352737 A CN 101352737A
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Abstract
A single-cylinder underneath type hydraulic three-roller plate roll belongs to the technical field of plate bending roll manufacturing. A dumping side pressure lower cylinder (15) is arranged under a dumping bearing pedestal (12), a draw plate (14) is respectively arranged at the two sides of the dumping side pressure lower cylinder (15), the dumping bearing pedestal (12) is articulated with one end of the two draw plates (14) by pin rolls (13), the other ends of the two draw plates (14) are fixed on a cross beam (16), the cylinder body of the dumping side pressure lower cylinder (15) is fixed on a principal machine base (2), a piston rod of the dumping side pressure lower cylinder (15) is propped against the cross beam (16). By adopting rod-free cavity pressurization, the single-cylinder underneath type hydraulic three-roller plate roll has the advantages of convenient sealing, large working pressure, and high cylinder universality, thus solving synchronous problem in the operation of double hydro cylinders or a plurality of hydro cylinders, smooth oil cylinder running, high sealing reliability, low equipment failure rate, compact structure, small volume, convenient installation and maintenance and greatly reducing manufacturing cost.
Description
Technical field
The present invention relates to a kind of sheet metal be carried out the forging equipment of bending machining, be specifically related to a kind of single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet.Belong to veneer reeling machine manufacturing technology field.
Technical background
Present oil cylinder underneath type hydraulic rolling machine mainly contains two kinds: a kind of is that the underlying oil cylinder is single oil cylinder, oil cylinder places in the main frame base, oil cylinder piston bar and inclinator are hinged by bearing pin, when sheet metal is carried out bending machining, adopt the rod chamber pressurization, under the situation of certain pressure, compare and adopt the cylinder diameter of rodless cavity pressurization big, and high pressure sealing needs two places, one is on the oil cylinder piston, and another is in oil cylinder guide pin bushing place, has reduced the reliability of cylinder seal; The oil cylinder piston bar exposes in addition, and hard thing such as the oxide skin that produces during sheet bending falls around piston rod, and is bigger to oil cylinder influence in service life.Another kind is that the underlying oil cylinder is one-sided pair of oil cylinder or heavy wool cylinder structure, and promptly a pull bar connects crossbeam from the centre, and two oil cylinders are arranged on the crossbeam of pull bar below.Though this structure has realized the underlying oil cylinder and has adopted the rodless cavity pressurization and solved the problem that the oil cylinder piston bar exposes, but the stationary problem when also causing one-sided pair of oil cylinder or heavy wool cylinder working, as when one of them generation of one-sided oil cylinder is leaked, will cause the operation of two oil cylinders to produce eccentricity, make and topple over the bearing block unbalance stress, easily cause stuck phenomenon, machine-spoiled rate is higher; And two oil cylinders or heavy wool cylinder structure be multiplied the veneer reeling machine cylinder seal, and sealing reliability reduces, and the manufacturing cost of two oil cylinders or heavy wool cylinder is also higher.
Summary of the invention
The objective of the invention is to overcome single oil cylinder employing rod chamber pressurization in the prior art, piston rod is fragile, two oil cylinder work are asynchronous, easily cause and topple over defective and the deficiency that bearing block presses down fault, a kind of rodless cavity pressurization of both can having adopted is provided, can avoids toppling over the single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet that bearing block presses down fault again.It has avoided oil cylinder to expose, and has also overcome the synchronism problem of two oil cylinders or heavy wool cylinder working, and is simple in structure, arranges compactness, easy to use, the sealing reliability height, and fault is few, and cost of manufacture is low.
To achieve these goals, first technical solution of the present invention is: single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet, comprise the main frame base, top working roll, bottom working roll, backing roll, frame, main drive, the top working roll two ends respectively with the transmission side bearing block with topple over bearing block and be connected, the transmission side bearing block is connected with the piston rod of transmission side depress oil cylinder, the transmission side depress oil cylinder places the top of top working roll, the top working roll afterbody is connected with balancing cylinder, two bottom working rolls are loaded on the bottom roll bearing block, described below of toppling over bearing block is provided with one and topples over oil cylinder under the side pressure, be respectively arranged with arm-tie in the both sides of toppling over oil cylinder under the side pressure, one end of toppling over bearing pin on the bearing block and two arm-ties is hinged, the other end of two arm-ties is separately fixed at the two ends of crossbeam, topple over that the cylinder body of oil cylinder is fixed on the main frame base under the side pressure, topple over that the piston rod of oil cylinder withstands on the crossbeam, perhaps under the side pressure:
The other end of two arm-ties is separately fixed on the cylinder body of oil cylinder under the inclinator side pressure, and the piston rod of oil cylinder withstands on the main frame base under the inclinator side pressure.
Second technical solution of the present invention is: single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet, comprise the main frame base, top working roll, bottom working roll, backing roll, frame, main drive, the top working roll two ends respectively with the transmission side bearing block with topple over bearing block and be connected, the top working roll afterbody is connected with balancing cylinder, two bottom working rolls are loaded on the bottom roll bearing block, the below of described transmission side bearing block is fixed with a transmission side depress oil cylinder, described below of toppling over bearing block is provided with one and topples over oil cylinder under the side pressure, be respectively arranged with arm-tie in transmission side depress oil cylinder and the both sides of toppling over oil cylinder under the side pressure, transmission side bearing block and the bearing pin of toppling on the bearing block are hinged with an end of arm-tie respectively;
In transmission side bearing block one side, the other end of two arm-ties is separately fixed at the two ends of crossbeam, the cylinder body of transmission side depress oil cylinder is fixed on the main frame base, the piston rod of transmission side depress oil cylinder withstands on the crossbeam, perhaps, the other end of two arm-ties is separately fixed on the cylinder body of transmission side depress oil cylinder, and the piston rod of transmission side depress oil cylinder withstands on the main frame base;
Toppling over bearing block one side, the other end of two arm-ties is separately fixed at the two ends of crossbeam, topple over that the cylinder body of oil cylinder is fixed on the main frame base under the side pressure, topple over that the piston rod of oil cylinder withstands on the crossbeam under the side pressure, perhaps, the other end of two arm-ties is separately fixed on the cylinder body of toppling over oil cylinder under the side pressure, topples over that the piston rod of oil cylinder withstands on the main frame base under the side pressure.
Compared with prior art, beneficial effect of the present invention: the one, hinged two arm-ties on the bearing pin of toppling on the bearing block, connect crossbeam and be fixed on the piston rod of single oil cylinder or directly be fixed on the side of cylinder block of single oil cylinder by arm-tie, the positioning and fixing of single depress oil cylinder and the problem of avoiding piston rod to expose have been solved, be convenient to depress oil cylinder and adopt the rodless cavity pressurization, oil cylinder only on piston place sealing bear high pressure, leakage point is few, sealing is convenient; The rodless cavity volume is bigger, and operating pressure is big, and volume is less; Depress oil cylinder places in the main frame base, and oxide skin falls to cause on depress oil cylinder piston to pull when having avoided oil cylinder to expose with discharging, and the depress oil cylinder of used oil cylinder and oil cylinder overhead same specification veneer reeling machine is general, has reduced the parts specification.The 2nd, the structure of single depress oil cylinder, synchronism problem when having avoided two oil cylinders or heavy wool cylinder working, oil cylinder operates steadily, the sealing reliability height, transmission side bearing block and topple over bearing block and depress reliable in action, equipment failure rate is low, and compact conformation, volume is little, and is convenient for installation and maintenance, and manufacturing cost reduces greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the schematic diagram of another kind of structure among Fig. 2;
Fig. 4 is an another kind of structural representation of the present invention;
Fig. 5 is the right view of Fig. 4:
Fig. 6 is the schematic diagram of another kind of structure among Fig. 5.
Among the figure: topple over oil cylinder 1, main frame base 2, top working roll 3, bottom working roll 4, backing roll 5, frame 6, transmission side bearing block 7, transmission side depress oil cylinder 8, balancing cylinder 9, main drive 10, horizontally moving device 11, topple over bearing block 12, bearing pin 13, arm-tie 14, topple over oil cylinder 15 under the side pressure, crossbeam 16.
The specific embodiment
The present invention is described in further detail below in conjunction with description of drawings and the specific embodiment:
Embodiment 1:
Referring to Fig. 1, Fig. 2, a kind of single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet of the present invention, comprise main frame base 2, top working roll 3, bottom working roll 4, backing roll 5, frame 6, main drive 10, top working roll 3 two ends respectively with transmission side bearing block 7 with topple over bearing block 12 and be connected, transmission side bearing block 7 is connected with the piston rod of transmission side depress oil cylinder 8, transmission side depress oil cylinder 8 places the top of top working roll 3, top working roll 3 afterbodys are connected with balancing cylinder 9, two bottom working rolls 4 are loaded on the bottom roll bearing block, bottom roll bearing block is connected with horizontally moving device 11, bottom working roll 4 belows are provided with backing roll 5, topple over oil cylinder 1 respectively with topple over bearing block 12 and main frame base 2 is hinged, described below of toppling over bearing block 12 is provided with one and topples over oil cylinder 15 under the side pressure, be respectively arranged with arm-tie 14 in the both sides of toppling over oil cylinder 15 under the side pressure, one end of toppling over bearing pin 13 on the bearing block 12 and two arm-ties 14 is hinged, the other end of two arm-ties 14 is separately fixed at the two ends of crossbeam 16, the cylinder body of toppling over oil cylinder 15 under the side pressure is through being bolted on the main frame base 2, and the piston rod of toppling over oil cylinder 15 under the side pressure withstands in the middle of the crossbeam 16.The action that top working roll 3 is depressed is to the rodless cavity fuel feeding of toppling over oil cylinder 15 under the side pressure, promotes crossbeam 16 downwards by piston rod, drives by two arm-ties 14 and bearing pin 13 and topples over bearing block 12 and top working roll 3 moves downward.
Embodiment 2:
Referring to Fig. 3, the structure of present embodiment is substantially the same manner as Example 1, the arrangement of just toppling over oil cylinder 15 under the side pressure changes to some extent, promptly the other end of two arm-ties 14 is respectively through being bolted on the cylinder body of toppling over oil cylinder 15 under the side pressure, and the piston rod of toppling over oil cylinder 15 under the side pressure withstands on the main frame base 2.Be equivalent to oil cylinder 15 reversed arrangement under the side pressure of toppling among the embodiment 1.The piston rod of at this moment toppling over oil cylinder 15 under the side pressure maintains static, the action that top working roll 3 is depressed is to the rodless cavity fuel feeding of toppling over oil cylinder 15 under the side pressure, by downward pulling two arm-ties 14 of cylinder body, drive by two arm-ties 14 and bearing pin 13 and to topple over bearing block 12 and top working roll 3 moves downward.
Embodiment 3:
Referring to Fig. 4, Fig. 5, another kind of single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet of the present invention, comprise main frame base 2, top working roll 3, bottom working roll 4, backing roll 5, frame 6, main drive 10, top working roll 3 two ends respectively with transmission side bearing block 7 with topple over bearing block 12 and be connected, top working roll 3 afterbodys are connected with balancing cylinder 8, two bottom working rolls 4 are loaded on the bottom roll bearing block, bottom roll bearing block is connected with horizontally moving device 11, bottom working roll 4 belows are provided with backing roll 5, topple over oil cylinder 1 respectively with topple over bearing block 12 and be connected with main frame base 2, the below of described frame 6 is fixed with a transmission side depress oil cylinder 8, described below of toppling over bearing block 12 is provided with one and topples over oil cylinder 15 under the side pressure, be respectively arranged with arm-tie 14 in transmission side depress oil cylinder 8 and the both sides of toppling over oil cylinder 15 under the side pressure, frame 6 and the bearing pin 13 of toppling on the bearing block 12 are hinged with an end of arm-tie 14 respectively;
Transmission side bearing block 7 one sides, the other end of two arm-ties 14 is separately fixed at the two ends of crossbeam 16, and the cylinder body of transmission side depress oil cylinder 8 is fixed on the main frame base 2, and the piston rod of transmission side depress oil cylinder 8 withstands on the centre of crossbeam 16.
Toppling over bearing block 12 1 sides, the other end of two arm-ties 14 is respectively through being bolted to the two ends of crossbeam 16, and the cylinder body of toppling over oil cylinder 15 under the side pressure is through being bolted on the main frame base 2, and the piston rod of toppling over oil cylinder 15 under the side pressure withstands on the centre of crossbeam 16.
The difference of present embodiment and embodiment 1 is the below that transmission side depress oil cylinder 8 is arranged in transmission side bearing block 7, and the piston rod of transmission side depress oil cylinder 8 withstands on the crossbeam 16.The action that top working roll 3 is depressed is the rodless cavity fuel feeding to transmission side depress oil cylinder 8, promotes crossbeam 16 downwards by piston rod, drives transmission side bearing blocks 7 and top working roll 3 moves downward by arm-tie 14 and bearing pin 13.
Embodiment 4:
Referring to Fig. 6, the structure of present embodiment is substantially the same manner as Example 3, just transmission side depress oil cylinder 8 changes to some extent with the arrangement of toppling over oil cylinder 15 under the side pressure, promptly in transmission side bearing block 7 one sides, the other end of two arm-ties 14 is respectively on the cylinder body through being bolted to transmission side depress oil cylinder 8, the piston rod of transmission side depress oil cylinder 8 withstands on the main frame base 2: toppling over bearing block 12 1 sides, the other end of two arm-ties 14 is respectively through being bolted on the cylinder body of toppling over oil cylinder 15 under the side pressure, and the piston rod of toppling over oil cylinder 15 under the side pressure withstands on the main frame base 2.Be equivalent to the transmission side depress oil cylinder among the embodiment 38 and topple over oil cylinder 15 reversed arrangement under the side pressure.At this moment transmission side depress oil cylinder 8 maintains static with the piston rod of toppling over oil cylinder 15 under the side pressure, the action that top working roll 3 is depressed is to transmission side depress oil cylinder 8 and the rodless cavity fuel feeding of toppling over oil cylinder 15 under the side pressure, spur arm-tie 14 downwards by cylinder body, drive transmission side bearing blocks 7, topple over bearing block 12 and top working roll 3 moves downward by arm-tie 14 and bearing pin 13.
In conjunction with Fig. 3 and Fig. 4, also transmission side depress oil cylinder 8 and the arrangement of toppling over oil cylinder 15 under the side pressure can be changed again, as the arrangement that adopts among the embodiment 3 at transmission side bearing block 7 one side transmission side depress oil cylinders 8, the cylinder body that is transmission side depress oil cylinder 8 is fixed on the main frame base 2, and the piston rod of transmission side depress oil cylinder 8 withstands on the centre of crossbeam 16.Adopt arrangement among the embodiment 4 toppling over bearing block 12 1 sides, promptly on the cylinder body through being bolted to oil cylinder 15 under the inclinator side pressure, the piston rod of toppling over oil cylinder 15 under the side pressure withstands on the main frame base 2 other end of two arm-ties 14 respectively.Perhaps adopt opposite arrangement.
Above concrete enforcement structure all can be finished the purpose that single oil cylinder rodless cavity is depressed work, both avoided oil cylinder to expose, overcome and solved the synchronism problem of two oil cylinders or heavy wool cylinder working again, the oil cylinder volume is little, arranges compact, simple in structure, easy to use, the sealing reliability height, fault is few, and cost of manufacture is low.
Claims (2)
1. single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet, comprise main frame base (2), top working roll (3), bottom working roll (4), backing roll (5), frame (6), main drive (10), top working roll (3) two ends respectively with transmission side bearing block (7) with topple over bearing block (12) and be connected, transmission side bearing block (7) is connected with the piston rod of transmission side depress oil cylinder (8), transmission side depress oil cylinder (8) places the top of top working roll (3), top working roll (3) afterbody is connected with balancing cylinder (9), two bottom working rolls (4) are loaded on the bottom roll bearing block, it is characterized in that: described below of toppling over bearing block (12) is provided with one and topples over oil cylinder under the side pressure (15), be respectively arranged with arm-tie (14) in the both sides of toppling over oil cylinder under the side pressure (15), the bearing pin (13) of toppling on the bearing block (12) is hinged with an end of two arm-ties (14), the other end of two arm-ties (14) is separately fixed at the two ends of crossbeam (16), the cylinder body of toppling over oil cylinder under the side pressure (15) is fixed on the main frame base (2), the piston rod of toppling over oil cylinder under the side pressure (15) withstands on the crossbeam (16), perhaps:
The other end of two arm-ties (14) is fixed on the cylinder body of toppling over oil cylinder under the side pressure (15), and the piston rod of toppling over oil cylinder under the side pressure (15) withstands on the main frame base (2).
2. single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet, comprise main frame base (2), top working roll (3), bottom working roll (4), backing roll (5), frame (6), main drive (10), top working roll (3) two ends respectively with transmission side bearing block (7) with topple over bearing block (12) and be connected, top working roll (3) afterbody is connected with balancing cylinder (9), two bottom working rolls (4) are loaded on the bottom roll bearing block, it is characterized in that: the below of described transmission side bearing block (7) is fixed with a transmission side depress oil cylinder (8), described below of toppling over bearing block (12) is provided with one and topples over oil cylinder under the side pressure (15), be respectively arranged with arm-tie (14) at the transmission side depress oil cylinder (8) and the both sides of toppling over oil cylinder under the side pressure (15), transmission side bearing block (7) and the bearing pin (13) of toppling on the bearing block (12) are hinged with an end of arm-tie (14) respectively;
Transmission side bearing block (7) one sides, the other end of two arm-ties (14) is separately fixed at the two ends of crossbeam (16), the cylinder body of transmission side depress oil cylinder (8) is fixed on the main frame base (2), the piston rod of transmission side depress oil cylinder (8) withstands on the crossbeam (16), perhaps: the other end of two arm-ties (14) is separately fixed on the cylinder body of transmission side depress oil cylinder (8), and the piston rod of transmission side depress oil cylinder (8) withstands on the main frame base (2);
Topple over bearing block (12) one sides, the other end of two arm-ties (14) is separately fixed on the crossbeam (16), the cylinder body of toppling over oil cylinder under the side pressure (15) is fixed on the main frame base (2), the piston rod of toppling over oil cylinder under the side pressure (15) withstands on the crossbeam (16), perhaps: the other end of two arm-ties (14) is separately fixed on the cylinder body of toppling over oil cylinder under the side pressure (15), and the piston rod of toppling over oil cylinder under the side pressure (15) withstands on the main frame base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101968921A CN101352737A (en) | 2008-09-09 | 2008-09-09 | Single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101968921A CN101352737A (en) | 2008-09-09 | 2008-09-09 | Single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet |
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| CN101352737A true CN101352737A (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101968921A Pending CN101352737A (en) | 2008-09-09 | 2008-09-09 | Single oil cylinder underneath type hydraulic type three roller machine for bending metal sheet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049465A (en) * | 2010-12-31 | 2011-05-11 | 溧阳市科华机械制造有限公司 | Sand mixer sand unloading door with auto-lock function |
| CN101700541B (en) * | 2009-11-06 | 2011-07-20 | 长治市钜星锻压机械设备制造有限公司 | Toggle positioning mechanism for medium and small lapping machines |
| CN103157704A (en) * | 2011-12-12 | 2013-06-19 | 怀化市西南创业机械制造有限公司 | Concise and high-efficient hydraulic transmission plate reeling machine |
| CN106825145A (en) * | 2017-03-02 | 2017-06-13 | 郑常 | A kind of new upper roller transmission and bascule |
-
2008
- 2008-09-09 CN CNA2008101968921A patent/CN101352737A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700541B (en) * | 2009-11-06 | 2011-07-20 | 长治市钜星锻压机械设备制造有限公司 | Toggle positioning mechanism for medium and small lapping machines |
| CN102049465A (en) * | 2010-12-31 | 2011-05-11 | 溧阳市科华机械制造有限公司 | Sand mixer sand unloading door with auto-lock function |
| CN102049465B (en) * | 2010-12-31 | 2012-09-05 | 溧阳市科华机械制造有限公司 | Sand mixer sand unloading door with auto-lock function |
| CN103157704A (en) * | 2011-12-12 | 2013-06-19 | 怀化市西南创业机械制造有限公司 | Concise and high-efficient hydraulic transmission plate reeling machine |
| CN106825145A (en) * | 2017-03-02 | 2017-06-13 | 郑常 | A kind of new upper roller transmission and bascule |
| CN106825145B (en) * | 2017-03-02 | 2018-08-28 | 郑常 | A kind of novel upper roller transmission and balancing device |
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Open date: 20090128 |