CN101444854B - Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear - Google Patents

Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear Download PDF

Info

Publication number
CN101444854B
CN101444854B CN 200810080227 CN200810080227A CN101444854B CN 101444854 B CN101444854 B CN 101444854B CN 200810080227 CN200810080227 CN 200810080227 CN 200810080227 A CN200810080227 A CN 200810080227A CN 101444854 B CN101444854 B CN 101444854B
Authority
CN
China
Prior art keywords
point
angle
hydraulic
included angle
hinge point
Prior art date
Application number
CN 200810080227
Other languages
Chinese (zh)
Other versions
CN101444854A (en
Inventor
孙长春
孟进礼
田雅琴
胡鹰
马立峰
黄庆学
Original Assignee
太原科技大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 太原科技大学 filed Critical 太原科技大学
Priority to CN 200810080227 priority Critical patent/CN101444854B/en
Publication of CN101444854A publication Critical patent/CN101444854A/en
Application granted granted Critical
Publication of CN101444854B publication Critical patent/CN101444854B/en

Links

Abstract

The invention discloses a method for determining an included angle of hydraulic cylinders of a hydraulic rolling-cut sheet metal shear, and belongs to the technical field of sheet metal shearing machines. Hydraulic cylinders (1, 4) are arranged on a frame in an eudipleural hinging way. The method is characterized in that an included angle between a central axis of the hydraulic cylinders (1, 4) and a horizontal line is beta before shearing action is started, that is, an upper shearing blade carrier (7) is positioned at the highest horizontal position, angular dimension of the included angle beta is determined according to the following formula: beta=arctg(2LK2[cos(phi2+phi1)-cos(theta)]/(2Lq-LK1-2LK2sin(theta)), in the formula, phi1 is equal to included angle d'o1d, phi2 is equal to the angle a'o1d', Lk1 represents a distance from hinged joints d to e, Lk2 represents lengths of connecting rods (3, 6) and push rods (2, 5), Lq represents a horizontal distance from the hinged joints q1 and q2 of the left cylinder and the right cylinder to a coordinate axis y, and theta represents the included angle between push rods (3, 6) and a perpendicular line when the upper shearing blade carrier (7) is positioned at the highest position. The method for determining the inclined angle between the right cylinder and the left cylinder of the shear can cause the cylinders to save labor, and obtain good shearing effect.

Description

液压滚切式金属板剪切机液压缸斜置角度的确定方法 The method of determining the hydraulic rolling cut shear plate cylinder canted angle

技术领域 FIELD

[0001] 本发明属于金属板剪切机械技术领域,具体涉及一种液压滚切式金属板剪切机液压缸斜置角度的确定方法。 [0001] The present invention belongs to the technical field of mechanical shearing metal sheet, particularly relates to a method for determining the angle of the inclined cylinder cut sheet metal shears a hydraulic roll.

[0002] 背景技术 [0002] BACKGROUND OF THE INVENTION

[0003] 目前,由太原科技大学和太原科大重工科技有限责任公司提出申请名称为“液压滚切式金属板剪切机”已被授权,专利号为“ZL 2006 1 0102208. X”,该发明专利是从结构构造方面提出的,但在设计开发过程中,对液压缸在机架上倾斜布置的角度是有要求的。 [0003] Currently, proposed by the Taiyuan University of Science and Technology HKUST and Taiyuan Heavy Industry Science and Technology Co., Ltd. Application entitled "Hydraulic rolling - cut sheet metal shears" has been granted, the patent number is "ZL 2006 1 0102208. X", the invention patent is made from a structural configuration aspect, but in the design development process, the pair of hydraulic cylinders disposed on the frame inclined angle is required. 如按现有技术布置,将增大液压缸的推力,增大液压系统的流量,同时影响产品的剪切质量。 The arrangement according to the prior art, to increase the thrust of the hydraulic cylinder, increasing the flow rate of the hydraulic system, while the effect of shear quality of the product.

[0004] 发明内容 [0004] SUMMARY OF THE INVENTION

[0005] 本发明的目的是提供一种将液压缸斜置一确定角度放置的方法,按此方法确定液压缸的斜置角度,可改善设备传动机构的受力状态,提高剪切质量。 [0005] The object of the present invention is to provide a method of determining a canted cylinder positioned at an angle of, in this way determining the inclined angle of the hydraulic cylinder, the stress state of the device can be improved drive mechanism, improve the cutting quality.

[0006] 本发明是这样实现的:如图1所示,液压缸1、4成左右对称铰接布置在机架11上, 其特征是在剪切动作之前,即上剪刃刀架7处在最高水平位置时,液压缸1、4的中心轴线向上倾斜与水平线的夹角为β,β角的大小按照以下方法确定: [0006] The present invention is implemented: the left and right in FIG. 1, the hydraulic cylinders 1,4 arranged symmetrically articulated on the chassis 11, characterized in that prior to a shearing action, i.e. the cutting edge in the tool post 7 the highest horizontal position, the angle between the center axis inclined upwardly from the horizontal hydraulic cylinder 4 is β, β angle size determined by the following methods:

Figure CN101444854BD00031

[0011] Φ1; Φ2 如附图3 及图4 所示,其中:(^ =Zd' O1Cl, Φ2 =Za' 0ld' [0011] Φ1; Φ2 as shown in FIG. 3 and FIG. 4, wherein: (^ = Zd 'O1Cl, Φ2 = Za' 0ld '

[0012] 公式中其它参数的意义如下: [0012] Formula sense other parameters as follows:

[0013] Lkl-铰接点d、e之间的距离 The distance between the [0013] Lkl- hinge points d, e

[0014] Lk2-连杆3、6及推杆2、5的长度 Length [0014] Lk2- pusher rod 2,5 and 3,6

[0015] Lk3-铰接点d、e到刀弧最低点的垂向距离 Vertical distance [0015] Lk3- hinge points d, e to the lowest point of the blade arc

[0016] Lq-左右液压缸铰接点qi、q2到坐标轴y的水平距离 [0016] Lq- cylinder about a hinge point qi, q2 y axis to the horizontal distance

[0017] R-圆弧刀片半径 [0017] R- arc radius of the blade

[0018] Rd-铰接点d到圆弧刀片中心的径向距离 [0018] Rd- hinge point d to the radial distance of the center of the circular arc blades

[0019] θ dd点的径向与垂向在剪切机构处于中心位置时的夹角 [0019] radially θ dd point at a shear mechanism with vertically at the center of the angle

[0020] θ t-最大滚切范围角之半[0021 ] S-开口度和重叠量之和 [0020] θ t- half [0021] S- opening degree and the maximum amount of overlap of the hobbing angle range and

[0022] θ -上剪刃刀架7在最高位置时,推杆3、6与垂直线的夹角 [0022] θ - cutting edge on the tool holder 7 at the highest position, the angle between the push rod and the vertical line 3,6

Figure CN101444854BD00032

[0023](见图 1) [0023] (see FIG. 1)

[0024] 下面对公式中的参数Φ1; Φ2的求解过程进行详细叙述。 [0024] The following parameter formula Φ1; Φ2 solution process will be described in detail.

[0025] 剪切机在剪切动作之前的最高位置时(见图1),连杆3、6,推杆2、5和液压缸1、4 在整体坐标系当中是对称布置的,液压缸1、4的倾斜角度为β,并且连杆和推杆的长度相等。 [0025] shears at the highest position prior to cutting operation (see FIG. 1), the connecting rod 3,6, the push rod 5 and the cylinder 4 which in the global coordinate system is symmetrically arranged, the hydraulic cylinder 4 inclination angle is β, and the link and is equal to the length of the push rod.

[0026] 根据上面的已知条件,确定出上铰接点Op a在最高位置的坐标分别为(参见图1): [0026] According to the above known conditions, to determine the coordinates of the articulation points at the highest position Op a respectively (see FIG. 1):

Figure CN101444854BD00041

[0029] 为了使液压缸在剪切力最大时刻,即进入滚切开始时刻的推力最小,那么设定在剪切力最大时刻液压缸成水平状态,即qia'连线与水平线的夹角β为零度(参见图3)。 [0029] In order to make the maximum shearing force of the hydraulic cylinder time, i.e., into the cutting roller thrust minimum start time, the hydraulic cylinder is set to the maximum horizontal shear force moment, i.e. qia 'connecting the horizontal angle β zero degrees (see FIG. 3).

[0030] 在剪切力最大时刻(即滚切开始时刻),上剪刃刀架铰接点d、e在此时符合滚切运动方程。 [0030] The maximum time in the shearing force (i.e., roll cutting start time), the cutting blade holder hinge points d, e in the equation of motion at this time hobbing compliance. 如图2所示,当圆弧滚过一个θρ,使上刀圆弧内的P点位于y = 0轴上时,滚切剪要求h点在剪切过程中水平位移接近为零,所以将整个上刀圆弧沿水平方向反向移动一个水平距离4,力求h点始终位于(0,0)点上。 2, when scrolling through a circular arc θρ, so that the point P is located within the upper blade arc y = 0 axis in claim rolling shear horizontal displacement h point during cutting close to zero, so the the entire arcuate upper blade moves backward in the horizontal direction a distance of 4 horizontally, seeks always on point h (0,0). 根据滚切中发生纯滚动的设计要求,上刀圆弧内任一点g在滚切时坐标为(见图2): The design requirements for pure rolling roll hit occurs, the arcuate knife point any coordinate g is cut when rolling (see FIG. 2):

[0031] [0031]

Figure CN101444854BD00042

(2) (2)

[0032] 式中艮-刀片内任一点g的半径 [0032] Gen formula - any inner blade radius point g

[0033] θ g-刀片内任一点g径向与垂向夹角 [0033] g any point radially inner blade vertical angle θ g-

[0034] θ p-刀片内任一点ρ径向与垂向夹角 Any point ρ and the vertical angle of the radially inner [0034] θ p- blade

[0035] 并且在此时,实际是上刀圆弧向χ轴的负方向滚动了圆心角的一半即θρ= 0to 根据滚切运动方程O),图3中铰接点d'的坐标为: [0035] and, in this case, actually the center angle of the rolling tool arcuate half θρ i.e. in the negative direction according to the χ axis = 0to O hobbing coordinates equations of motion), Figure 3 hinge point d 'is:

[0036] [0036]

Figure CN101444854BD00043

(3) (3)

[0037] 根据图3中的几何关系,推导出上剪刃刀架在最高水平位置时,液压缸中心轴线与水平线夹角β为: [0037] The geometric relationship of FIG. 3, the cutting edge is derived at the highest horizontal position of the holder, the central axis of the cylinder an angle β to the horizontal:

[0038] [0038]

Figure CN101444854BD00044

(4) (4)

[0039] 其中 [0039] in which

[0040] [0040]

Figure CN101444854BD00045

[0041] 根据图3中铰接点a到铰接点d和01的距离始终不变,且等于Lk2的几何关系,在已知铰接点d'坐标的情况下,得到Φ1; Φ2: [0041] According to FIG. 3 in a hinge point and the distance d to the hinge point 01 remains unchanged, and equal to the geometric relationship Lk2, in the case of the known hinge point d 'coordinates, to obtain Φ1; Φ2:

[0042] [0042]

Figure CN101444854BD00051

[0045] 根据上述推导的已知条件可得出: [0045] The derivation of the above-described known conditions can be drawn:

[0046] [0046]

Figure CN101444854BD00052

[0050] [0050]

[0051] [0051]

[0052] 图1 中 [0052] FIG 1

附图说明 BRIEF DESCRIPTION

图1为液压滚切式金属板剪切机的机构示意图图2为液压滚切式金属板剪上刀圆弧在滚切线上的滚动示意图图3为滚切开始时刻关键点位置示意图图4为图3中I部分的放大图 Figure 1 is a schematic view of the hydraulic mechanism hobbing metal plate 2 hydraulic shears metal plate rolling cut shear blade on the roller rolling arc tangent on the schematic of FIG. 3 is a cut start timing roller keypoint locations 4 is a schematic diagram FIG 3 is an enlarged view of portion I

3、6-连杆9-下剪刃刀架 3,6-link the cutting blade holder 9-

[0053] 1、4-液压缸 2、5-推杆 [0053] 1,4 2,5 ram cylinder

[0054] 7-上剪刃刀架 8-导向杆 The [0054] 7 8- cutting blade holder guide rod

[0055] 10-金属板 11-机架 [0055] 10- 11- sheet metal chassis

[0056] Lkl-铰接点d,e之间的距离 The distance between the [0056] Lkl- hinge points d, e

[0057] Lk2-连杆3、6及推杆2、5的长度 Length [0057] Lk2- pusher rod 2,5 and 3,6

[0058] Lk3-铰接点d,e到刀弧最低点的垂向距离 Vertical distance [0058] Lk3- hinge points d, e to the lowest point of the blade arc

[0059] Lq-左右液压缸铰接点q1; q2到坐标轴y的水平距离图2中 About [0059] Lq- cylinder articulation point Ql; q2 FIG horizontal distance to the axis y 2

[0060] R-圆弧刀片半径铰接点d的半径Re-铰接点e的半径[0061 ] Rg-点g的半径艮-点ρ的半径O2-上剪刃圆弧中心 [0060] R- arc radius of the blade radius hinge point d to point e hinge Re- [0061] Rg- Gen radius point g - cutting edge on the center point of the circular arc of radius ρ O2-

[0062] 0-坐标圆心 [0062] 0- coordinates of the center

[0063] θ dd点的径向与垂向在切机构处于中心位置时的夹角 [0063] radially θ dd point when the cutting mechanism is in the vertical position of the center angle

[0064] θ ee点的径向与垂向在切机构处于中心位置时的夹角 [0064] radially θ ee point when the cutting mechanism is in the vertical position of the center angle

[0065] θ gg点的径向与垂向在切机构处于中心位置时的夹角 [0065] radially θ gg point when the cutting mechanism is in the vertical position of the center angle

[0066] θ ρ-ρ点的径向与垂向在切机构处于中心位置时的夹角 [0066] radially θ ρ-ρ point when the vertical angle of the cutting mechanism is in the center position

[0067] θ t-最大滚切范围角之半 [0067] θ t- half angle of the maximum range hobbing

[0068] 其中参数R、Rd, Re, θ d、θ。 [0068] where the parameters R, Rd, Re, θ d, θ. θ t、Lkl、Lk2、Lk3、Lq是根据钢厂提供的剪切工艺参数要求(如板厚、板宽、开口度、重叠量、最大剪切力等)进行确定的。 θ t, Lkl, Lk2, Lk3, Lq is determined according to the requirements of the shearing process parameters (e.g., thickness, sheet width, the opening degree, the amount of overlap, the maximum shear force, etc.) provided by the steel. 具体实施方式 Detailed ways

[0069] 液压滚切剪在设计开发过程,根据钢厂提供的工艺要求,如剪切钢板宽度为观00, 厚度40,开口度s开=130mm,重叠量s重=5mm,可以确定连杆的初始角度θ =27°。 [0069] Hydraulic rolling shear in the design development process, according to process requirements to provide a steel, such as shear plate width of concept 00, thickness 40, the opening degree of the opening s = 130mm, heavy overlap amount s = 5mm, the link may be determined the initial angle θ = 27 °. 推杆2、5 及连杆3、6 长度Lk2 = 702mm, Lkl = 2300mm, Lk3 = 1100mm, Lq = 3100mm , Rd = Re = 45915mm, R = 47000mm, θ d = -1. 43°,θ t = -1. 8°。 2,5 and 3,6 pusher rod length Lk2 = 702mm, Lkl = 2300mm, Lk3 = 1100mm, Lq = 3100mm, Rd = Re = 45915mm, R = 47000mm, θ d = -1. 43 °, θ t = -1. 8 °.

[0070] 根据上述已知数据,按照公式(1)就可以确定液压缸1、4的中心轴线与水平线的夹角,即液压缸1、4的斜置角度β,计算得出β =2.56°。 [0070] According to the known data, according to the equation (1) can be determined from the horizontal angle between the center axis of the cylinder 4, i.e., the angle of the inclined cylinder beta] 1 and 4, calculated β = 2.56 ° .

Claims (1)

1. 一种液压滚切式金属板剪切机液压缸斜置角度的确定方法,包括液压缸、传动机构和剪切机构,其特征在于在剪切动作之前,即上剪刃刀架(7)处在最高水平位置时,液压缸(1、4)中心轴线与水平线的夹角为β,β的大小按以下方法确定: 1. A method for determining hydraulic rolling-cut sheet metal shears inclined angle of the hydraulic cylinder, a hydraulic cylinder, and the shear mechanism drive means, characterized in that prior to cutting action, i.e. the cutting blade holder (7 ) is at the highest horizontal position, the hydraulic cylinders (1,4) the angle between the horizontal central axis is determined as beta], the size of the beta] as follows:
Figure CN101444854BC00021
公式中参数的意义如下:Lkl-左连杆(3)与上剪刃刀架(7)间的铰接点d与右连杆(6)与上剪刃刀架(7)间的铰接点e之间的距离Lk2-连杆(3、6)及推杆0、5)的长度Lq-液压缸(1、4)与机架(11)之间铰接点q1; q2到坐标轴y的水平距离θ -上剪刃刀架(7)在最高位置时,推杆0、5)与垂直线的夹角Φ1; Φ2分别为^ =Z d' O1Cl, Φ2 =Za' O1Cl',具体参数表达如下: Formula meanings of the parameters are as follows: between the hinge point e Lkl- left link (3) hinge point d between the cutting edge and the upper tool holder (7) and the right link (6) and the cutting blade holder (7) the distance between the hinge point q1 Lk2- link between (3,6) and the push rod 0,5) Lq- length of the cylinder (1,4) and the frame (11); q2 to the horizontal axis y from θ - cutting blade holder (7) on the highest position, the push rod 0,5) with the vertical line an angle Φ1; [Phi] 2 are ^ = Z d 'O1Cl, Φ2 = Za' O1Cl ', specific parameterization as follows:
Figure CN101444854BC00022
R-圆弧刀片半径&-所述铰接点d的圆弧半径θ d_所述铰接点d的径向与垂向在剪切机构处于中心位置时的夹角θ t-最大滚切范围角之半Lk3-所述铰接点d及所述铰接点e到刀弧最低点的垂向距离Lold,——左推杆与机架(11)间的铰接点O1与滚切位置左连杆与上剪刃刀架间的铰接点d'之间的距离a'-滚切位置所述左推杆与所述左连杆间的铰接点S-开口度和重叠量之和XO1, yO1 -所述铰接点O1的坐标Xd,,Yd,-所述铰接点d'的坐标。 R- & arc radius of the blade - the radial arc radius of the hinge point d θ d_ hinge point d with the vertical when the mechanism is in the center position of the shear angle θ t- maximum range of angular cutting roll Lk3- half of the hinge and the hinge point d to the point e the vertical distance between the lowest point of the arc cutter Lold, - the articulation point O1 between the left push rod with the frame (11) and the position of the left link and hobbing the distance between the hinge point between the hinge point d 'between the cutting edge on the cutting roller holder a'- positions of the left and the left pusher link and the amount of overlap of the openings S- sum XO1, yO1 - the coordinates of the hinge point d '- the coordinates of the point O1 Xd said hinge ,, Yd,.
CN 200810080227 2008-12-20 2008-12-20 Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear CN101444854B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810080227 CN101444854B (en) 2008-12-20 2008-12-20 Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810080227 CN101444854B (en) 2008-12-20 2008-12-20 Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear

Publications (2)

Publication Number Publication Date
CN101444854A CN101444854A (en) 2009-06-03
CN101444854B true CN101444854B (en) 2011-06-08

Family

ID=40740903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810080227 CN101444854B (en) 2008-12-20 2008-12-20 Method for determining included angle of hydraulic cylinders of hydraulic rolling-cut sheet metal shear

Country Status (1)

Country Link
CN (1) CN101444854B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2504344B (en) 2012-07-27 2014-08-27 Siemens Plc Variable rake shear

Also Published As

Publication number Publication date
CN101444854A (en) 2009-06-03

Similar Documents

Publication Publication Date Title
CN100544882C (en) Plate-bending online laser welding technology and its equipment
CN203448870U (en) Laser cutting device
JP5349926B2 (en) Method for producing a cutting method and a photoconductor drum substrate pipe
CN102950176A (en) Dual-roller full-automatic hydraulic rolling machine
CN203380607U (en) Punching, cutting and typing production line for numerical control plate
CN204430405U (en) Novel steel plate cutting machine
CN202780004U (en) Flying shear device with finishing shear function for thick metal plate
CN103008767B (en) Edge cutting machine
CN201168773Y (en) Slab continuous casting online corner cleaning apparatus
CN103028794B (en) Whole blade disk electrolysis machining method and device with cathode feeding in variable-amplitude multi-way reciprocating way
CN203304305U (en) Pinch roll device for introducing strip steel into slitting shear
CN201052559Y (en) Hydraulic hobbing type metal plate cutting machine
CN203209767U (en) Plate shearing machine
CN203197985U (en) Cam connection rod slicing device
CN203245252U (en) Automatic punching and cutting all-in-one machine for angle steel flange of angle steel flange air pipe
CN202571793U (en) Shearing butt welding machine
CN102581094A (en) Pipe bender and forming method for manufacturing round pipe by using pipe bender
CN203266035U (en) General gasoline engine crankshaft connecting rod position circular bead rolling device
CN202779362U (en) Trimming knife structure of stamping die
CN201436105U (en) Arc-adjusting device used for crystallizer and mobile section
CN202137447U (en) Fixed positioning bracket for plate shearing machine
CN201922475U (en) Punching device capable of rotating punching knife
CN102601616B (en) Shearing aligning mechanism
CN202291607U (en) Automatic positioning device for plate production line
CN203390282U (en) Hydraulic brake-type plate shearing machine

Legal Events

Date Code Title Description
C06 Publication
C10 Request of examination as to substance
C53 Change or modification
COR Bibliographic change or correction in the description

Free format text: CORRECT: INVENTOR; FROM: MA LIFENG HUANG QINGXUE TIAN YAQIN SUN ZHANGCHUN MENG JINLI TO: MA LIFENG HU YING TIAN YAQIN SUN ZHANGCHUN MENG JINLI HUANG QINGXUE

C14 Granted