WO2018223864A1 - 机架转动式卷状板材折弯机 - Google Patents

机架转动式卷状板材折弯机 Download PDF

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Publication number
WO2018223864A1
WO2018223864A1 PCT/CN2018/088724 CN2018088724W WO2018223864A1 WO 2018223864 A1 WO2018223864 A1 WO 2018223864A1 CN 2018088724 W CN2018088724 W CN 2018088724W WO 2018223864 A1 WO2018223864 A1 WO 2018223864A1
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Prior art keywords
bending machine
rack
slider
machine according
cavity
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PCT/CN2018/088724
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English (en)
French (fr)
Inventor
刘军华
谢荣
刘宇齐
于宁
谢帅涛
王锐
高翔
尚振一
徐明亮
黄佩
曾学勇
丁彦凯
刘志豪
孙永慧
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江苏海事职业技术学院
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Publication of WO2018223864A1 publication Critical patent/WO2018223864A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends

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  • the invention relates to a rack rotating type coil plate bending machine.
  • the conventional roll-shaped plate bending machine is as described in the prior invention patent (patent number; CN201510208149.3), and its working principle mainly drives the coil to rotate by driving the rotation of the chassis, and then drives the upper end of the coil when the rolled plate rotates.
  • the contact with the conical pressure roller is used to realize the bending; the traditional chassis rotation working mode, because the full weight of the coil is on the chassis, and the chassis itself is heavy, the load of the machine is very large when driving, which easily causes the chassis to sway and the operation is unstable.
  • the upper end of the coil cannot be precisely pressed into contact with the upper tapered roller, which affects the bending quality of the coil.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a rack-rotating roll-shaped plate bending machine, which solves the defect that the conventional roll-shaped plate bending machine is unstable in operation.
  • a rack rotating type coil plate bending machine comprising a chassis, the upper end of the chassis is provided with a rotatable tooth ring, and the chassis in the inner ring of the ring gear The area forms a raised roll-shaped sheet resting area;
  • the upper end of the ring gear is symmetrically disposed with a left column and a right column, and the upper ends of the two columns are fixedly connected with a beam, and the beam is provided with a forming fixture device movable along the length of the right half of the beam.
  • the forming fixture device comprises a right slider, a right slider and a forming fixture
  • the right half of the beam is provided with a right sliding slot, and the rectangular right slider is disposed in the right sliding slot.
  • the upper end of the right sliding bar is fixedly connected with the right sliding block, and the forming jig is rotated and disposed at the lower end of the right sliding bar.
  • the forming jig includes a jig body having an inverted U-shaped structure, and the top wall of the inner cavity of the jig is uniformly provided with rollers;
  • the front end of the inner cavity of the clamp has a lead-in cavity with an opening facing downward, and the rear end of the inner cavity of the clamp has a lead-out cavity that is horizontally disposed, and a middle portion of the inner cavity of the clamp body forms a bending cavity with a twist of 90 degrees.
  • the front and rear ends of the folding neck are respectively connected with the introduction cavity and the lead-out cavity.
  • the front end of the forming jig is provided with a heating device for heating the upper end of the coil to be bent.
  • a rotatable right wire rod is mounted on the side wall of the beam, and the right wire rod forms a transmission fit with the right slider.
  • the left column and the right column are respectively provided with a lifting device
  • the lifting device comprises a driving motor and a screw rod
  • the screw rod is fixedly connected with the driving motor
  • the screw rods of the two lifting devices are respectively formed with the ends of the beam Spiral fit
  • two drive motors are respectively connected to the controller, and the two screw rods rotate synchronously to drive the beam to move up and down.
  • the beam is provided with a pressing device movable along the length of the left half of the beam;
  • the pressing device comprises a left sliding block, a pressing rod and a lifting cylinder.
  • the left half of the beam is provided with a left sliding slot, and the rectangular left sliding block is arranged in the left sliding slot, and the lifting cylinder is vertically fixedly disposed at On the left slider, the pressing rod passes through the left sliding rod, and the push rod of the lifter is fixedly connected with the upper end of the left sliding rod; the lifting cylinder operation drives the pressing rod to move up and down.
  • a rotatable left screw rod is mounted on the side wall of the beam, and the left screw rod forms a transmission fit with the left slider.
  • a working motor is mounted on the chassis, and the working motor forms a transmission fit with the gums via the gear set.
  • annular sliding block is fixedly disposed on the upper end surface of the ring gear, and a tray for placing the rolled plate is fixedly disposed on the chassis of the rolled plate resting area.
  • the invention has the beneficial effects that the conventional chassis rotation is changed to the current molding fixture movement, so that the mechanism of the rolled sheet material can be more stable when being bent, and the bending quality and bending efficiency are improved.
  • the design of the forming fixture through the structural design of the introduction cavity, the bending cavity and the exporting cavity, can clamp the upper end of the plate into the cavity when the forming fixture is matched with the plate, thereby further improving the stability at the time of bending.
  • Figure 1 is a schematic view of a bending machine
  • Figure 2 is a schematic view of a bending machine for mounting a rolled sheet
  • Figure 3 is a schematic view of a forming jig
  • a rack-rotating scroll-shaped plate bending machine includes a chassis 1.
  • the upper end of the chassis 1 is provided with a rotatable ring gear 2, and the chassis 1 in the inner ring of the ring gear 2 is convex.
  • the roll-shaped plate rest area; the upper end of the ring gear 2 is symmetrically arranged with Zuo Lidu and Right Lidu, and the upper ends of the two Li Du are fixedly connected with the beam 3, and the beam 3 is provided with a shape which can be moved along the length of the right half of the beam 3.
  • Fixture device is provided with a shape which can be moved along the length of the right half of the beam 3.
  • the forming fixture device comprises a right slider 41, a right sliding rod 42 and a forming fixture 43; the right half of the beam 3 is provided with a right sliding slot, the rectangular right slider 41 is moved in the right sliding slot, and the right sliding bar 42 is at the upper end and the right
  • the slider 41 is fixedly coupled, and the forming jig 43 is rotatably disposed at the lower end of the right slider 42.
  • the forming jig 43 and the right slider 42 are rotationally coupled by a pin.
  • the forming jig 43 includes a jig body having an inverted U-shaped structure, and the top wall of the inner cavity of the jig body is uniformly provided with rollers;
  • the front end of the inner cavity of the clamp body has a lead-in collar 421 with an opening facing downward, and the rear end of the neck of the clamp body has a lead-out cavity 423 whose opening is horizontally arranged, and a middle portion of the inner cavity of the clamp body forms a bending cavity 422 with a spiral twist of 90 degrees, and the bending cavity 422
  • the front and rear ends are in communication with the introduction cavity 421 and the lead-out cavity 423, respectively.
  • the front end of the forming jig 43 is provided with a heating device 44 for heating the upper end of the web to be bent.
  • the heating device 44 is electromagnetically heated. Of course, other heating methods, such as high-pressure fire blowing, may be employed.
  • the main purpose of the heating device 44 is to heat the sheet material so that it is convenient for the rear forming jig 43 to bend and deform the sheet material.
  • a rotatable right screw rod is mounted on the side wall of the beam 3, and the right screw rod and the right slider form a transmission fit.
  • the screw can be positionally locked when the right slider does not need to be moved, so that the forming jig 43 can be stabilized.
  • the left vertical and the right vertical column are respectively provided with a lifting device, the lifting device comprises a driving motor 6 and a screw rod, and the screw rod is fixedly connected with the driving motor 6; the screw rods of the two lifting devices respectively form a spiral fit with the two ends of the beam 3;
  • the driving motor 6 is respectively connected with the controller, and the two screw rods rotate synchronously to drive the beam 3 to move up and down.
  • the two drive motors 6 are of the same type and are driven by the same controller. After adjusting the position of the two screw rods and the beam 3, the controller simultaneously operates the two drive motors 6 simultaneously, thereby driving the two screw rods simultaneously. Rotating to achieve a smooth rise of the beam 3.
  • the smooth lifting of the beam 3 allows the forming fixture 43 to perform bending operations for sheets of different heights.
  • the beam 3 is provided with a pressing device movable along the length of the left half of the beam 3; the pressing device comprises a left slider 52, a pressing rod 53 and a lifting cylinder 51, and the left half of the beam 3 is provided with a left sliding groove, rectangular
  • the left slider 52 is moved and disposed in the left sliding slot, and the lifting cylinder 51 is vertically fixedly disposed on the left sliding block 52.
  • the pressing rod 53 passes through the left sliding rod, and the push rod of the lifter is fixedly connected with the upper end of the left sliding rod.
  • the lifting cylinder 51 operates to push the pressing rod 53 to move up and down.
  • the lifting rod 53 is controlled to move up and down by the lifting cylinder 51, so as to perform supplementary bending operation on the edge of the sheet which is not completely bent or bent back, so that the sheet is finally bent.
  • a rotatable left screw rod is mounted on the side wall of the beam 3, and the left screw rod forms a transmission fit with the left slider 52.
  • the screw can be positionally locked when the left slider 52 does not need to be moved, so that the pressure bar 53 can stabilize the operation.
  • a working motor is mounted on the chassis 1, and the working motor forms a transmission fit with the ring gear via the gear set.
  • An annular slider 7 is fixedly disposed on the upper end surface of the ring gear, and the tray 8 for placing the rolled plate is fixedly disposed on the chassis 1 of the rolled plate rest area.
  • the rolled sheet method is fixed on the tray 8.
  • the specific fixing method is described in the patent (patent number; CN201510208149.3), and then the working motor rotates to rotate the ring gear 2, and then the forming jig 43 rotates.
  • the forming jig 43 adjusts the radial position of the plate on the beam 3 by the screw rod, so that the upper end of the plate enters the introduction cavity 421, and then the upper end of the plate is bent 90 degrees into the lead-out cavity 423 through the bending cavity 422, and finally removed from the lead-out cavity 423. Achieve bending of the sheet.
  • the bending machine of the invention changes the traditional bending mechanism, and the rotation of the previous coil of the bottom is changed to the rotation of the current forming fixture 43 to improve the stability of the bending mechanism; and the clamp body of the inverted U-shaped structure can better clamp The upper end of the plate is tight to achieve stable bending of the coil.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

一种机架转动式卷状板材折弯机，包括底盘（1），所述底盘上端设置有可转动的齿环（2），所述齿环内圈中的底盘区域形成凸起的卷状板材搁置区；所述齿环上端对称设置有左立柱和右立柱，两根立柱上端固定连接有横梁（3），所述横梁上设置有可沿横梁右半部分长度方向移动的成型夹具装置。该折弯机由传统的底盘转动改为现在的成型夹具运动，使卷状板材在被折弯的时候机构能够更加稳定，提高折弯质量和折弯效率。

Description

机架转动式卷状板材折弯机 技术领域
本发明涉及一种机架转动式卷状板材折弯机。
背景技术
传统的卷状板材折弯机如在先发明专利(专利号；CN201510208149.3)中所介绍的，其工作原理主要通过驱动底盘转动带动卷材旋转，然后卷状板材转动的时候带动卷材上端与锥形压辊接触配合实现折弯；传统的底盘转动工作模式，由于卷材全部负重在底盘上，并且底盘本身较重，驱动的时候机器负载非常大，容易引起底盘晃动、运行不稳的情况，一旦出现底盘水平晃动的问题后，卷材上端便不能精准的与上端锥形压辊挤压接触配合，影响卷材折弯质量。
发明内容
本发明要解决的技术问题是：克服现有技术的不足，提供一种机架转动式卷状板材折弯机，解决以往卷状板材折弯机运行不稳定的缺陷。
本发明解决其技术问题所采用的技术方案是：一种机架转动式卷状板材折弯机，包括底盘，所述底盘上端设置有可转动的齿环，所述齿环内圈中的底盘区域形成凸起的卷状板材搁置区；
所述齿环上端对称设置有左立柱和右立柱，两根立柱上端固定连接有横梁，所述横梁上设置有可沿横梁右半部分长度方向移动的成型夹具装置。
进一步的，所述成型夹具装置包括右滑块、右滑杆以及成型夹具；
所述横梁右半部分开设有右滑槽，矩形的右滑块移动设置在右滑槽内，所述右滑杆上端与右滑块固定连接，所述成型夹具转动设置在右滑杆下端。
进一步的，所述成型夹具包括呈倒U型结构的夹具本体，所述夹具本体内腔顶壁上均布有滚柱；
所述夹具本体内腔前端具有开口朝下的引入腔，所述夹具本体内腔后端具有开口呈水平设置的导出腔，所述夹具本体内腔中部形成螺旋扭转90度的折弯腔，所述折弯脖的前后两端分别与引入腔和导出腔连通。
进一步的，所述成型夹具前端设置有用于对卷材上端待折弯边进行加热的加热装置。
进一步的，所述横梁侧壁上安装有可转动右丝杆，所述右丝杆与右滑块形成传动配合。
进一步的，所述左立柱和右立柱分别设置有抬升装置，所述抬升装置包括驱动电机和丝杆，所述丝杆与驱动电机固定连接；两个抬升装置的丝杆分别与横梁两端形成螺旋配合；两个驱动电机分别与控制器连接，两根丝杆同步转动带动横梁做上下运动。
进一步的，所述横梁上设置有可沿横梁左半部分长度方向移动的压紧装置；
所述压紧装置包括左滑块、压杆以及升降气缸，所述横梁左半部分开设有左滑槽，矩形 的左滑块移动设置在左滑槽内，所述升降气缸竖向固定设置在左滑块上，所述压杆从左滑杆中穿过，所述升降器刚的推杆与左滑杆上端固定连接；所述升降气缸作业带动压杆做上下运动。
进一步的，所述横梁侧壁上安装有可转动左丝杆，所述左丝杆与左滑块形成传动配合。
进一步的，所述底盘上安装工作电机，所述工作电机经齿轮组与齿圏形成传动配合。
进一步的，所述齿圈上端面固定设置有环形滑块，所述卷状板材搁置区的底盘上固定设置有用于放置卷状板材的托盘。
本发明的有益效果是：由传统的底盘转动改为现在的成型夹具运动，使卷状板材在被折弯的时候机构能够更加稳定，提高折弯质量和折弯效率。
成型夹具的设计，通过引入腔、折弯腔和导出腔的结构设计，可以使成型夹具与板材配合的时候可以将板材上端夹紧在腔内，进一步提升折弯时候稳定性。
附图说明
下面结合附图对本发明进一步说明。
图1是折弯机的示意图；
图2是安装卷状板材的折弯机示意图；
图3是成型夹具的示意图；
其中，1、底盘，2、齿环，3、横梁，41、右滑块，42、右滑杆，421、引入腔，422、折弯腔，423、导出腔，43、成型夹具，44、加热装置，51、升降气缸，52、左滑块，53、压杆，6、驱动电机，7、环形滑块，8、托盘。
具体实施方式
现在结合具体实施例对本发明作进一步的说明。这些附图均为简化的示意图仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
如图1至图3所示，一种机架转动式卷状板材折弯机，包括底盘1，底盘1上端设置有可转动的齿环2，齿环2内圈中的底盘1区域形成凸起的卷状板材搁置区；齿环2上端对称设置有左立杜和右立杜，两根立杜上端固定连接有横梁3，横梁3上设置有可沿横梁3右半部分长度方向移动的成型夹具装置。
成型夹具装置包括右滑块41、右滑杆42以及成型夹具43；横梁3右半部分开设有右滑槽，矩形的右滑块41移动设置在右滑槽内，右滑杆42上端与右滑块41固定连接，成型夹具43转动设置在右滑杆42下端。成型夹具43与右滑杆42之间通过销轴形成转动连接。
成型夹具43包括呈倒U型结构的夹具本体，夹具本体内腔顶壁上均布有滚柱；
夹具本体内腔前端具有开口朝下的引入脖421，夹具本体内脖后端具有开口呈水平设置的导出腔423，夹具本体内腔中部形成螺旋扭转90度的折弯腔422，折弯腔422的前后两端分别与引入腔421和导出腔423连通。
成型夹具43前端设置有用于对卷材上端待折弯边进行加热的加热装置44。加热装置44采用电磁加热，当然也可以采用其他加热方式，例如高压喷火；加热装置44的主要目的 就是对板材进行加热，使其方便后方的成型夹具43对板材进行折弯变形。
横梁3侧壁上安装有可转动右丝杆，右丝杆与右滑块形成传动配合。丝杆可以在右滑块不需要移动的时候进行位置锁定，使成型夹具43可以稳定作业。
左立杜和右立柱分别设置有抬升装置，抬升装置包括驱动电机6和丝杆，丝杆与驱动电机6固定连接；两个抬升装置的丝杆分别与横梁3两端形成螺旋配合；两个驱动电机6分别与控制器连接，两根丝杆同步转动带动横梁3做上下运动。两个驱动电机6型号相同，并且由同一个控制器驱动，在对两个丝杆与横梁3两端进行位置调节之后，控制器同时两个驱动电机6同时作业，进而带动两个丝杆同时转动，实现对横梁3的平稳抬升。横梁3的平稳抬升可以使成型夹具43针对不同高度的板材进行折弯作业。
横梁3上设置有可沿横梁3左半部分长度方向移动的压紧装置；压紧装置包括左滑块52、压杆53以及升降气缸51，横梁3左半部分开设有左滑槽，矩形的左滑块52移动设置在左滑槽内，升降气缸51竖向固定设置在左滑块52上，压杆53从左滑杆中穿过，升降器刚的推杆与左滑杆上端固定连接；升降气缸51作业带动压杆53做上下运动。
通过升降气缸51控制压杆53上下运动，实现对未能完全弯曲或者弯曲回弹的板材端边进行补充折弯作业，使板材最终完成折弯。
横梁3侧壁上安装有可转动左丝杆，左丝杆与左滑块52形成传动配合。丝杆可以在左滑块52不需要移动的时候进行位置锁定，使压杆53可以稳定作业。
底盘1上安装工作电机，工作电机经齿轮组与齿圈形成传动配合。齿圈上端面固定设置有环形滑块7，卷状板材搁置区的底盘1上固定设置有用于放置卷状板材的托盘8。
作业时，卷状板材方式在托盘8上并进行固定，具体固定方式，在专利(专利号；CN201510208149.3)中有所介绍，然后工作电机转动带动齿环2转动，然后成型夹具43转动，成型夹具43在横梁3上通过丝杆调节奸径向位置，使板材上端进入引入腔421，然后在经过折弯腔422将板材上端折弯90度进入导出腔423，最后从导出腔423移出，实现对板材的折弯。
本发明的折弯机改变传统折弯机构，由底部以往的卷材转动改为现在的成型夹具43转动，提升折弯机构稳定性；并且通过倒U型结构的夹具本体，可以更好的夹紧板材上端，实现卷材的稳定折弯。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (10)

  1. 一种机架转动式卷状板材折弯机，其特征是，包括底盘(1)，所述底盘(1)上端设置有可转动的齿环(2)，所述齿环(2)内圈中的底盘(1)区域形成凸起的卷状板材搁置区；
    所述齿环(2)上端对称设置有左立柱和右立柱，两根立柱上端固定连接有横梁(3)，所述横梁(3)上设置有可沿横梁(3)右半部分长度方向移动的成型夹具装置。
  2. 根据权利要求1所述的机架转动式卷状板材折弯机，其特征是，所述成型夹具装置包括右滑块(41)、右滑杆(42)以及成型夹具(43)；
    所述横梁(3)右半部分开设有右滑槽，矩形的右滑块(41)移动设置在右滑槽内，所述右滑杆(42)上端与右滑块(41)固定连接，所述成型夹具(43)转动设置在右滑杆(42)下端。
  3. 根据权利要求2所述的机架转动式卷状板材折弯机，其特征是，所述成型夹具(43)包括呈倒U型结构的夹具本体，所述夹具本体内腔顶壁上均布有滚柱；
    所述夹具本体内腔前端具有开口朝下的引入腔(421)，所述夹具本体内腔后端具有开口呈水平设置的导出腔(423)，所述夹具本体内腔中部形成螺旋扭转90度的折弯腔(422)，所述折弯腔(422)的前后两端分别与引入腔(421)和导出腔(423)连通。
  4. 根据权利要求3所述的机架转动式卷状板材折弯机，其特征是，所述成型夹具(43)前端设置有用于对卷材上端待折弯边进行加热的加热装置(44)。
  5. 根据权利要求3所述的机架转动式卷状板材折弯机，其特征是，所述横梁(3)侧壁上安装有可转动右丝杆，所述右丝杆与右滑块(41)形成传动配合。
  6. 根据权利要求1所述的机架转动式卷状板材折弯机，其特征是，所述左立柱和右立柱分别设置有抬升装置，所述抬升装置包括驱动电机(6)和丝杆，所述丝杆与驱动电机(6)固定连接；两个抬升装置的丝杆分别与横梁(3)两端形成螺旋配合；两个驱动电机(6)分别与控制器连接，两根丝杆同步转动带动横梁(3)做上下运动。
  7. 根据权利要求1所述的机架转动式卷状板材折弯机，其特征是，所述横梁(3)上设置有可沿横梁(3)左半部分长度方向移动的压紧装置；
    所述压紧装置包括左滑块(52)、压杆(53)以及升降气缸(51)，所述横梁(3)左半部分开设有左滑槽，矩形的左滑块(52)移动设置在左滑槽内，所述升降气缸(51)竖向固定设置在左滑块(52)上，所述压杆(53)从左滑杆中穿过，所述升降器刚的推杆与左滑杆上端固定连接；所述升降气缸(51)作业带动压杆(53)做上下运动。
  8. 根据权利要求7所述的机架转动式卷状板材折弯机，其特征是，所述横梁(3)侧壁上安装有可转动左丝杆，所述左丝杆与左滑块(52)形成传动配合。
  9. 根据权利要求1所述的机架转动式卷状板材折弯机，其特征是，所述底盘(1)上安装工作电机，所述工作电机经齿轮组与齿圈形成传动配合。
  10. 根据权利要求1所述的机架转动式卷状板材折弯机，其特征是，所述齿圈上端面固定设置有环形滑块(7)，所述卷状板材搁置区的底盘(1)上固定设置有用于放置卷状板材的扦盘(8)。
PCT/CN2018/088724 2017-06-05 2018-05-28 机架转动式卷状板材折弯机 WO2018223864A1 (zh)

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