CN201862665U - Bending machine with mechanism capable of adjusting eccentricity of synchronizing shaft - Google Patents
Bending machine with mechanism capable of adjusting eccentricity of synchronizing shaft Download PDFInfo
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- CN201862665U CN201862665U CN2010205720059U CN201020572005U CN201862665U CN 201862665 U CN201862665 U CN 201862665U CN 2010205720059 U CN2010205720059 U CN 2010205720059U CN 201020572005 U CN201020572005 U CN 201020572005U CN 201862665 U CN201862665 U CN 201862665U
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- bending machine
- hydraulic
- slide block
- eccentric
- bender
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Abstract
The utility model relates to a bending machine with a mechanism capable of adjusting eccentricity of a synchronizing shaft. The slider crank mechanism of the bending machine comprises a torsion shaft, rockers, connecting rods and a slide block, wherein flange plates are respectively arranged at the two ends of the torsion shaft. The bending machine is improved in that an eccentric sleeve and a liner bushing are sequentially sleeved at each end of the torsion shaft from the inside to the outside; a lug boss is formed in the middle of the outer surface of each liner bushing, and a gland is sleeved on the liner bushing on the outer side of the lug boss; and the glands correspond to the flange plates and are connected with the flange plates through bolts. In the utility model, a proportional servo valve for controlling the oil input/output of oil cylinders on two sides is not required to be added in a hydraulic torsion type bending machine control system. Only the positioning part of the torsion shaft 1 is changed to be eccentric, and the rigid deformation of the torsion shaft 1 can be compensated by manually adjusting the eccentric sleeve, so as to ensure the work precision and service life of a machine tool, save cost and simplify operation. As the control method of a hydraulic bending machine is not required to be changed, and the proportional servo valve is not required to be added in the hydraulic torsion type bending machine control system, the bending machine provided by the utility model is simple to operate and is lower in cost, and facilitates popularization and application.
Description
Technical field
The utility model belongs to the machining equipment field, relates to a kind of bender, is specifically related to the axle of turning round of bender.
Background technology
Bender is divided into manual bending machine, hydraulic bending press and numerical control bender.Hydraulic bending press can be divided into spool synchronous, the synchronous three kinds of forms of the synchronous and electric liquid of machine liquid turned round again by the method for synchronization.Hydraulic bending press can be divided into again by motion mode: upper dynamic, lower-moving type.Hydrolic plate bender adopts two hydraulic oil cylinder driving, therefore, a synchronization accuracy that key issue is exactly a slide block during hydrolic plate bender manufactures and designs, promptly how to guarantee the depth of parallelism problem of slide block lower plane and work top, just require slide block no matter in what position, the difference of the distance of each point and work top meets accuracy standard (0.1/1000) on its lower plane.The method that solves asynchronous this problem of slide block has a lot.Analyze from piston cylinder itself: mainly be that piston cylinder itself has the internal leakage phenomenon, promptly bigger than normal causing of the gap between piston and the oil cylinder leaks, and about two cylinder internal leakages incomplete same, thereby make the movement velocity difference of two cylinders.So, for hydraulic cylinder, for two cylinder internal leakages are equated, make the apolegamy precision of parts such as left and right sides piston, cylinder (comprise dimensional accuracy on the one hand as far as possible, positional precision such as axiality, circularity etc.) unanimity, the Hydraulic Circuit Design of two hydraulic cylinders to be got identical as far as possible on the other hand.Another kind of mode is to locate synchronously by electric-hydraulic proportion, promptly drives slide block by two or more hydraulic cylinder synchronous.When slide block moves, by the position-measurement device such as the grating chi at two ends, read the position at two ends at any time and compare, regulate the oil inlet quantity of oil cylinder according to position deviation, thereby guarantee synchronization accuracy and positioning accuracy in the slide block movement process.Because hydraulic cylinder response is slower, be unfavorable for adjusting, and this class bender is hydraulic drive, structure is comparatively complicated, and the working service cost is higher.Another kind is based on the bender synchro system that servomotor directly drives, and the slide block two ends drive leading screw and nut mechanism by servomotor by turbine and worm respectively, and the slide block two ends are moved up and down synchronously to drive slide block movement.This system requires very high to synchronism, especially under the unbalanced operating mode of heavy duty, requirement synchronously is more outstanding, if two ends mechanism kinematic speed is inconsistent, gently then influences bending precision, can damage transmission mechanism when serious.
The domestic patent of invention that relates to bender has 57,206 of utility model patents, content comprise the automatic bender of lead frame of simple and easy Plate Bending Machine, mechano-electronic numerical control servo bender, IC punching formation equipment, the bender later that has pin linear measure longimetry and adjustment structure, double-function hydraulic gearing bender for sheet material etc.The patent relevant with adjusting the synchronizing shaft position has 3, is respectively " the contour adjusting device of a kind of slide block of bender and workbench (CN200920051189.1) ", " lazy-tongs of plate bending machine slide block (CN92201397.7) ", " adjusting the numerical control bender (CN200620068655.3) of slide block levelness automatically ".Wherein, " the contour adjusting device of a kind of slide block of bender and workbench " main inventive point is by rotation adjusting lever and bolt, can finish the contour adjustment of two terminal mould installed surfaces and work top about slide plate; " lazy-tongs of plate bending machine slide block " adopt by pull bar, two reciprocity long connecting rods and two pairs of two parallelogram lazy-tongs that isometric fork constitutes.Pull bar links to each other with two pairs of connecting rods, and the connecting rod other end respectively directly or pass slide block and be fixed on the fuselage is formed a parallelogram.Fork one end links to each other with two pairs of connecting rods.The other end is fixed on the slide block, constitutes another parallelogram.Connector all is the lock shaft of overcoat bearing.These lazy-tongs are only just stressed under unbalance loading, thereby the wearing and tearing that alleviated parts and guide rail have improved machining accuracy, have prolonged service life of a machine; Main inventive point is the grating chi is arranged on the both sides of slide block " to adjust the numerical control bender of slide block levelness automatically ", can guarantee that slide block in time forecasts and sense data when horizontal gradient error occurring, and instruct wherein the power hydraulic cylinder of one or both sides to do trace adjustment in time by controller, guarantee that the reading that the grating chi records adheres to specification, thereby can guarantee the levelness of the edge of a knife effectively.Frame for movement slightly complicated in the middle of these three patents, the working service cost is higher, is unfavorable for applying.
Summary of the invention
Turn round at common hydraulic pressure on the basis of formula bender, under the prerequisite that does not change bender control system, in order to guarantee the depth of parallelism between slide block baseplane and the work top, the utility model provides a kind of bender with the eccentric adjustable mechanism of synchronizing shaft.The main thought of this technical solution is will turn round after the localization part of axle changes off-centre into, just can compensate a rigid deformation of turning round spool by the manual adjustments eccentric bushing, and guarantee the operating accuracy and the service life of lathe.
The technical scheme that realizes above-mentioned purpose is as follows:
Has the eccentric adjustable bender of synchronizing shaft, comprise frame, crossbeam, touch down, patrix and slider-crank mechanism, described slider-crank mechanism comprises turns round axle, rocking arm, connecting rod and slide block, the two ends of turning round axle are respectively equipped with ring flange, and the described two ends of turning round axle are arranged with eccentric bushing and lining respectively from the inside to the outside successively; Described sleeve outer surface middle part is provided with boss, is arranged with gland on the lining in the described boss outside, and described gland is corresponding with ring flange, and connects by bolt.
The eccentric throw of described eccentric bushing is 2～3mm.
In the bending process, when unbalance loading does not take place in the bending drag, turn round axle so and turn round armshaft and all do not stress, under the long-term situation about using of machine, or the monolateral bending of the long-time use of user, promptly longer in an end working time of machine, or asynchronous or in the bending process during bending drag generation unbalance loading when two oil cylinder work, turning round axle so will be stressed and produce rigid deformation.Given this, after the utility model changes localization part into off-centre, just can come the compensate rigid distortion, and guarantee the depth of parallelism between slide block baseplane and the work top, also just guarantee the operating accuracy and the service life of lathe by manual adjustments off-centre.
Useful technique effect of the present utility model is embodied in following two aspects: the one,, not need hydraulic pressure turn round in the formula bender control system newly-increased proportional servo valve control the both sides oil cylinder into and out of oil mass.After just will turning round axle 1 localization part and changing off-centre into, just can compensate the rigid deformation of turning round axle 1, and the operating accuracy and the service life of assurance lathe have not only been saved cost but also simplified operation by the manual adjustments eccentric bushing.The 2nd,, do not need to change the control method of hydraulic bending press, do not need newly-increased servo valve in control system yet, it is simple to operate, and cost is lower, helps applying.
Description of drawings
Fig. 1 is the bender structural representation.
Fig. 2 turns round axle one end radial cross-section.
Fig. 3 turns round a left end axial section.
Fig. 4 turns round a right-hand member axial section.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment 1:
Referring to Fig. 1, have that the eccentric adjustable bender of synchronizing shaft comprises frame 6, crossbeam, touches down, patrix and a slider-crank mechanism.Slider-crank mechanism comprises turns round axle 1, left rocking arm 2 and right rocking arm 11, left connecting rod 3 and right connecting rod 10, left piston 4 and right piston 9, left oil cylinder 5 and right oil cylinder 8, slide block 7; The two ends of turning round axle 1 are separately installed with left flange plate 16 and right ring flange 13.The two ends of turning round axle 1 are set with left eccentric bushing 18 and left lining 15, right eccentric bushing 19 and right lining 14 respectively from the inside to the outside successively, and the eccentric throw of left eccentric bushing 18 and right eccentric bushing 19 is 3mm.Left side lining 15 and right lining 14 outer surfaces middle part are respectively equipped with boss, the boss outside of left side lining 15 and right lining 14 outer surfaces is respectively installed with gland 20, the both sides gland is corresponding with left flange plate 16 and right ring flange 13 respectively, and is connected with right ring flange 13 with left flange plate 16 respectively by bolt.
By the position of manual adjustments left side eccentric bushing 18 and right eccentric bushing 19, just can regulate the axial location of turning round axle 1.Regulate by regulating left eccentric bushing 18 and right eccentric bushing 19 that to turn round axle 1 extent of the error be 0-2L.Just can adjust the position of slide block 7 baseplanes by the adjusting of turning round axle 1 position, make itself and work top keeping parallelism.
When the left end of slide block 7 on the lower side the time, see Fig. 3, by the left eccentric bushing 18 of manual accent.Can utilize spanner to rotate left eccentric bushing 18 certain angles along clockwise direction, so just can regulate the axial location of turning round axle 1; So the position that the position by regulating left eccentric bushing 18 just can adjusting slider 7 baseplanes makes itself and work top keeping parallelism.When the right-hand member of slide block 7 on the lower side the time, see Fig. 4, by the right eccentric bushing 19 of manual adjustments, can utilize spanner to rotate right eccentric bushing 19 certain angles along clockwise direction, so just can regulate and turn round an axial location of spool 1; So just can adjust the position of slide block 7 baseplanes by the position of regulating right eccentric bushing 19, make itself and work top keeping parallelism.
Embodiment 2:
Add a rolling bearing between left eccentric bushing 18 and left flange 16, right eccentric bushing 19 and right ring flange 13, other are with example 1.
Claims (2)
1. the bender that has the eccentric adjustable mechanism of synchronizing shaft, comprise frame, crossbeam, touch down, patrix and slider-crank mechanism, described slider-crank mechanism comprises turns round axle, rocking arm, connecting rod and slide block, the two ends of turning round axle are respectively equipped with ring flange, it is characterized in that: the described two ends of turning round axle are arranged with eccentric bushing and lining respectively from the inside to the outside successively; Described sleeve outer surface middle part is provided with boss, is arranged with gland on the lining in the described boss outside, and described gland is corresponding with ring flange, and connects by bolt.
2. the bender with the eccentric adjustable mechanism of synchronizing shaft according to claim 1, it is characterized in that: the eccentric throw of described eccentric bushing is 2～3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205720059U CN201862665U (en) | 2010-10-21 | 2010-10-21 | Bending machine with mechanism capable of adjusting eccentricity of synchronizing shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205720059U CN201862665U (en) | 2010-10-21 | 2010-10-21 | Bending machine with mechanism capable of adjusting eccentricity of synchronizing shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201862665U true CN201862665U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205720059U Expired - Fee Related CN201862665U (en) | 2010-10-21 | 2010-10-21 | Bending machine with mechanism capable of adjusting eccentricity of synchronizing shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201862665U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985030A (en) * | 2013-12-31 | 2015-10-21 | 安徽中瑞机床制造有限公司 | Hydraulic plate bending machine |
| CN106222815A (en) * | 2016-09-23 | 2016-12-14 | 江苏凯宫机械股份有限公司 | Intelligence combing machine top combing insertion depth adjusting means |
| CN106270163A (en) * | 2016-08-31 | 2017-01-04 | 安徽省华夏机床制造有限公司 | A kind of control method of bender electrodynamic balance adjusting means |
| CN106270162A (en) * | 2016-08-31 | 2017-01-04 | 安徽省华夏机床制造有限公司 | A kind of bender electrodynamic balance adjusting means |
| CN108858093A (en) * | 2018-07-24 | 2018-11-23 | 盐城市海通机械制造厂 | A kind of eccentric shaft structure workbench |
-
2010
- 2010-10-21 CN CN2010205720059U patent/CN201862665U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985030A (en) * | 2013-12-31 | 2015-10-21 | 安徽中瑞机床制造有限公司 | Hydraulic plate bending machine |
| CN104985030B (en) * | 2013-12-31 | 2017-07-28 | 安徽中瑞机床制造有限公司 | A kind of hydrolic plate bender |
| CN106270163A (en) * | 2016-08-31 | 2017-01-04 | 安徽省华夏机床制造有限公司 | A kind of control method of bender electrodynamic balance adjusting means |
| CN106270162A (en) * | 2016-08-31 | 2017-01-04 | 安徽省华夏机床制造有限公司 | A kind of bender electrodynamic balance adjusting means |
| CN106222815A (en) * | 2016-09-23 | 2016-12-14 | 江苏凯宫机械股份有限公司 | Intelligence combing machine top combing insertion depth adjusting means |
| CN106222815B (en) * | 2016-09-23 | 2023-04-07 | 江苏凯宫机械股份有限公司 | Top comb insertion depth adjusting device of intelligent combing machine |
| CN108858093A (en) * | 2018-07-24 | 2018-11-23 | 盐城市海通机械制造厂 | A kind of eccentric shaft structure workbench |
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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 |
Granted publication date: 20110615 Termination date: 20151021 |
|
| EXPY | Termination of patent right or utility model |