WO2019015202A1 - 一种金属板材折弯机构 - Google Patents

一种金属板材折弯机构 Download PDF

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Publication number
WO2019015202A1
WO2019015202A1 PCT/CN2017/113734 CN2017113734W WO2019015202A1 WO 2019015202 A1 WO2019015202 A1 WO 2019015202A1 CN 2017113734 W CN2017113734 W CN 2017113734W WO 2019015202 A1 WO2019015202 A1 WO 2019015202A1
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Prior art keywords
bending
crank
frame
block
metal sheet
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PCT/CN2017/113734
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English (en)
French (fr)
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龙晓斌
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奥美森智能装备股份有限公司
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Publication of WO2019015202A1 publication Critical patent/WO2019015202A1/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
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work

Definitions

  • the present invention relates to a bending machine, and more particularly to a sheet metal bending mechanism.
  • the sheet metal bending process is common in the production of products.
  • the production of products such as chassis and electric box requires the use of a bending machine to bend the metal sheet.
  • the bending mechanism of the traditional bending machine is relatively complicated.
  • the metal sheet is bent, the bending member can only fold the metal sheet into a fixed angle. If it is necessary to fold a plurality of different bending clips on the same metal sheet. At the corner, it is necessary to replace different bending dies, which has low production efficiency and high production cost.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a metal sheet bending mechanism which has a simple structure, high production efficiency, and can fold a plurality of different bending angles.
  • a sheet metal bending mechanism comprising: a clamping member 1 disposed on a frame and capable of holding a metal sheet 100, wherein the frame is located on a side of the clamping member 1 and is capable of being clamped
  • the bending member 2 is formed by bending the metal plate 100 by the up and down movement and the left and right movement, and the frame is further provided with a driving member 3 connected to the bending member 2 and capable of driving the vertical movement and the left and right movement.
  • the sheet metal bending mechanism as described above, characterized in that the bending member 2 includes a bending blade 21 capable of pushing the metal sheet 100 to bend the metal sheet 100 when moving up and down, the driving member 3 includes a crank link mechanism 31 disposed on the frame and capable of driving the bending member 2 to move up and down, the crank link mechanism 31 including a crank 311 rotatably coupled to the frame, the crank 311 and the bending knife There is a connecting rod 312 hinged with the two, and the frame is also connected with a block 32 movable relative to the upper and lower sides thereof, and the block 32 is provided with an inclined sliding rail 33.
  • the bending knife 21 is provided with a sliding groove which is slidably engaged with the sliding rail 33. When the crank 311 rotates and the block 32 moves up and down, the bending blade 21 slides relative to the inclined sliding rail 33 to realize the bending member 2
  • the clamping member 1 moves up and down and left and right.
  • the sheet metal bending mechanism as described above, characterized in that the bending member 2 includes a bending blade 21 capable of pushing the metal sheet 100 to bend the metal sheet 100 when moving up and down, the driving member 3 includes a crank link mechanism 31 disposed on the frame and capable of driving the bending member 2 to move up and down, the crank link mechanism 31 including a crank 311 rotatably coupled to the frame, the crank 311 and the bending knife There is a connecting rod 312 hinged between the two, and the frame is also connected with a block 32 which is movable obliquely relative thereto, and the block 32 is provided with a vertical sliding rail 33.
  • the bending knife 21 is provided with a sliding slot which is slidably engaged with the sliding rail 33. When the crank 311 rotates and the block 32 moves obliquely, the bending knife 21 slides relative to the vertical sliding rail 33.
  • the bending member 2 moves up and down and left and right with respect to the clamping member 1.
  • the sheet metal bending mechanism as described above characterized in that the bending blade 21 includes a first bending that pushes the metal sheet 100 upward when the bending member 2 moves upward.
  • the blade 211, the bending blade 21 further includes a second bending edge 212 capable of pushing the metal sheet 100 downward when the bending member 2 moves downward.
  • the present invention has the following advantages:
  • the bending member of the present invention can move up and down and to the left and right with respect to the clamping member. Therefore, the driving member can control the vertical movement speed and the left and right movement speed of the bending member, so that the bending member can fold the metal plate out of different bending.
  • the angle is increased, the production efficiency is reduced by replacing the bending mold, the productivity is improved, and the production cost is saved.
  • the bending member of the present invention comprises a bending knife, which drives the bending knife to move up and down by the crank linkage mechanism to bend the metal sheet, and the crank mechanism also drives the bending knife to move up and down while the block body is also opposite to the frame.
  • the upper and lower movements are provided, and the block is provided with a sliding rail which is inclined and slidingly engaged with the sliding groove on the bending knife. Therefore, when the crank rotates and the block moves up and down, the bending knife moves up and down relative to the clamping member and moves to the left and right relative to the clamping member, and the folding of the metal sheet can be controlled by controlling the rotational speed of the crank and the speed of the up and down movement of the block.
  • the angle of the bend is very clever and the structure is simple.
  • the invention has simple structure, high production efficiency, can greatly save production cost, and is suitable for popularization and application.
  • Figure 1 is a schematic view of the present invention
  • Figure 2 is a second schematic view of the present invention.
  • Figure 3 is a schematic illustration of an embodiment of the block of the present invention moving diagonally relative to the frame.
  • a sheet metal bending mechanism includes a clamping member 1 disposed on a frame (not shown) and capable of holding a metal sheet 100, and the frame is On the side of the clamping member 1 is provided a bending member 2 capable of bending the metal plate 100 relative to the clamping member 1 up and down and left and right movement, and the frame is further provided with a bending member 2 and capable of being connected
  • the drive member 3 that drives its up and down movement and left and right movement.
  • the bending member 2 is movable up and down and left and right with respect to the clamping member 1, and therefore, the driving member 3 controls the vertical movement speed and the left and right movement speed of the bending member 2, so that the bending member 2 folds the metal plate 100 into different folds.
  • the angle of the bend avoids the reduction of production efficiency caused by the replacement of the bending mold, improves the productivity, and saves the production cost.
  • the bending member 2 includes a bending blade 21 capable of pushing the metal sheet 100 to bend the metal sheet 100 when moving up and down, and the driving member 3 is disposed on the machine.
  • the crank linkage mechanism 31 is mounted on the frame and can drive the bending member 2 to move up and down.
  • the crank linkage mechanism 31 includes a crank 311 rotatably coupled to the frame, and the crank 311 and the bending blade 21 are disposed between the crank handle mechanism 31.
  • a connecting rod 312 hinged to the two, the frame is also connected with a block 32 which can move up and down relative to the frame. The up and down movement of the block 32 can be performed by mounting a ball screw or other conventional driving structure on the frame.
  • the block 32 is provided with a slanted slide rail 33.
  • the bending knives 21 are provided with a sliding slot which is slidably engaged with the slide rail 33.
  • the crank link mechanism 31 drives the bending blade 21 to move up and down to bend the metal sheet 100.
  • the crank linkage mechanism 31 drives the bending knife 21 to move up and down, the block 32 also moves up and down relative to the frame, and the block 32 is moved.
  • Also provided with a slanted and slanted knife 21 The slide slides the sliding rail 33.
  • the crank 311 rotates and the block 32 moves up and down
  • the bending blade 21 moves up and down relative to the clamping member 1 and moves to the left and right relative to the clamping member 1, and by controlling the rotational speed of the crank 311 and the speed of the block 32 moving up and down.
  • the bending angle of the metal sheet 100 can be controlled, the design is very clever, and the structure is simple.
  • the block 32 can also be moved diagonally relative to the frame.
  • the slide rails 33 are vertically disposed, so that when the crank 311 rotates and the block 32 moves obliquely, the bend The knife 21 moves up and down relative to the clamping member 1 and moves left and right relative to the clamping member 1, and the bending angle of the metal sheet 100 can be controlled by controlling the rotational speed of the crank 311 and the speed of the oblique movement of the block 32.
  • the bending blade 21 includes a first bending edge 211 for pushing the metal sheet 100 upward when the bending member 2 moves upward, and the bending blade 21 further includes The first bending edge 211 separates and pushes the second bending edge 212 of the metal sheet 100 to be bent downward when the bending member 2 moves downward.
  • the first bending edge 211 moves upward, and the metal sheet 100 is bent upward.
  • the clamping member 1 can be loosened and fed forward, when the clamping member 2 moves downward.
  • the second bending edge 212 bends the metal sheet 100 downward during the downward movement, thereby enabling the metal sheet 100 to be continuously bent in the opposite direction without the need to invert the metal sheet 100, thereby improving production. effectiveness. If the metal sheet 100 is bent upward or downward and no longer needs to be continuously bent downward or upward, the clamping member 1 is loosened and returned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

一种金属板材折弯机构，包括设在机架上并能夹持金属板材(100)的夹紧部件(1)，所述机架上位于夹紧部件(1)一侧设有能相对夹紧部件(1)上下运动和左右运动而将金属板材(100)折弯的折弯部件(2)，所述的机架上还设有与折弯部件(2)连接并能驱动其上下运动和左右运动的驱动部件(3)。本金属板材折弯机构结构简单，生产效率高，能够折出多个不同折弯角度。

Description

一种金属板材折弯机构 【技术领域】
本发明涉及一种折弯机，更具体地说是一种金属板材折弯机构。
【背景技术】
目前金属板材折弯这种钣金工艺在产品生产中普遍存在。例如机箱、电箱等产品的生产，都需要用到折弯机对金属板材折弯。但是传统折弯机的折弯机构结构比较复杂，在金属板材折弯时折弯部件只能将金属板材折成固定的角度，如果需要在同一片金属板材上折出多个不同的折弯夹角时，就需要更换不同的折弯模具，生产效率低，生产成本高。
因此，本发明正是基于以上的不足而产生的。
【发明内容】
本发明目的是克服了现有技术的不足，提供一种结构简单，生产效率高，能够折出多个不同折弯角度的金属板材折弯机构。
本发明是通过以下技术方案实现的：
一种金属板材折弯机构，其特征在于：包括设在机架上并能夹持金属板材100的夹紧部件1，所述的机架上并位于夹紧部件1一侧设有能相对夹紧部件1上下运动和左右运动而将金属板材100折弯的折弯部件2，所述的机架上还设有与折弯部件2连接并能驱动其上下运动和左右运动的驱动部件3。
如上所述的金属板材折弯机构，其特征在于：所述的折弯部件2包括在其上下运动时能推动金属板材100而将金属板材100折弯的折弯刀21，所述的驱动部件3包括设在机架上并能驱动折弯部件2上下运动的曲柄连杆机构31，所述的曲柄连杆机构31包括与机架转动连接的曲柄311，所述的曲柄311与折弯刀21之间设有与二者铰接的连杆312，所述的机架上还连接有能相对其上下运动的块体32，所述的块体32上设有倾斜的滑轨33，所述的折弯刀21上设有与滑轨33滑动配合的滑槽，在曲柄311转动和块体32上下运动时，所述的折弯刀21相对倾斜的滑轨33滑行而实现折弯部件2相对夹紧部件1上下和左右移动。
如上所述的金属板材折弯机构，其特征在于：所述的折弯部件2包括在其上下运动时能推动金属板材100而将金属板材100折弯的折弯刀21，所述的驱动部件3包括设在机架上并能驱动折弯部件2上下运动的曲柄连杆机构31，所述的曲柄连杆机构31包括与机架转动连接的曲柄311，所述的曲柄311与折弯刀21之间设有与二者铰接的连杆312，所述的机架上还连接有能相对其斜向运动的块体32，所述的块体32上设有竖向的滑轨33，所述的折弯刀21上设有与滑轨33滑动配合的滑槽，在曲柄311转动和块体32斜向运动时，所述的折弯刀21相对竖向的滑轨33滑行而实现折弯部件2相对夹紧部件1上下和左右移动。
如上所述的金属板材折弯机构，其特征在于：所述的折弯刀21包括在折弯部件2向上运动时推动金属板材100向上折弯的第一折弯 刃211，所述的折弯刀21还包括在折弯部件2向下运动时能推动金属板材100向下折弯的第二折弯刃212。
与现有技术相比，本发明有如下优点：
1、本发明的折弯部件能够相对夹紧部件上下和左右运动，因此，通过驱动部件控制折弯部件的上下运动速度和左右运动速度就能使折弯部件将金属板材折出不同的折弯夹角，避免更换折弯模具而带来的生产效率下降，提高了生产率，节约了生产成本。
2、本发明的折弯部件包括折弯刀，通过曲柄连杆机构驱动折弯刀上下运动而折弯金属板材，在曲柄连杆机构驱动折弯刀上下运动的同时，块体也相对机架上下运动，而块体上又设置有倾斜的并与折弯刀上的滑槽滑动配合的滑轨。所以在曲柄转动和块体上下运动时，折弯刀既相对夹紧部件上下运动又相对夹紧部件左右运动，而通过控制曲柄的转动速度和块体上下运动的速度就能控制金属板材的折弯夹角，设计非常巧妙，而且结构简单。
3、本发明结构简单，生产效率高，能够大大节省生产成本，适合推广应用。
【附图说明】
图1是本发明示意图之一；
图2是本发明示意图之二；
图3是本发明的块体相对机架斜向运动实施例的示意图。
【具体实施方式】
下面结合附图对本发明作进一步描述：
如图1和图2所示，一种金属板材折弯机构，包括设在机架(图中未画出)上并能夹持金属板材100的夹紧部件1，所述的机架上并位于夹紧部件1一侧设有能相对夹紧部件1上下运动和左右运动而将金属板材100折弯的折弯部件2，所述的机架上还设有与折弯部件2连接并能驱动其上下运动和左右运动的驱动部件3。折弯部件2能够相对夹紧部件1上下和左右运动，因此，通过驱动部件3控制折弯部件2的上下运动速度和左右运动速度就能使折弯部件2将金属板材100折出不同的折弯夹角，避免更换折弯模具而带来的生产效率下降，提高了生产率，节约了生产成本。
如图1和图2所示，所述的折弯部件2包括在其上下运动时能推动金属板材100而将金属板材100折弯的折弯刀21，所述的驱动部件3包括设在机架上并能驱动折弯部件2上下运动的曲柄连杆机构31，所述的曲柄连杆机构31包括与机架转动连接的曲柄311，所述的曲柄311与折弯刀21之间设有与二者铰接的连杆312，所述的机架上还连接有能相对其上下运动的块体32，块体32的上下运动可以采用在机架上安装滚珠丝杠或其它传统的驱动结构来驱动，所述的块体32上设有倾斜的滑轨33，所述的折弯刀21上设有与滑轨33滑动配合的滑槽，在曲柄311转动和块体32上下运动时，所述的折弯刀21相对倾斜的滑轨33滑行而实现折弯部件2相对夹紧部件1上下和左右移动。曲柄连杆机构31驱动折弯刀21上下运动而折弯金属板材100，在曲柄连杆机构31驱动折弯刀21上下运动的同时，块体32也相对机架上下运动，而块体32上又设置有倾斜的并与折弯刀21上的 滑槽滑动配合的滑轨33。所以在曲柄311转动和块体32上下运动时，折弯刀21既相对夹紧部件1上下运动又相对夹紧部件1左右运动，而通过控制曲柄311的转动速度和块体32上下运动的速度就能控制金属板材100的折弯夹角，设计非常巧妙，而且结构简单。当然，如图3所示，所述的块体32也可以相对机架斜向运动，此实施例中滑轨33竖向设置，所以在曲柄311转动和块体32斜向运动时，折弯刀21既相对夹紧部件1上下运动又相对夹紧部件1左右运动，而通过控制曲柄311的转动速度和块体32斜向运动的速度就能控制金属板材100的折弯夹角。
如图1和图2所示，所述的折弯刀21包括在折弯部件2向上运动时推动金属板材100向上折弯的第一折弯刃211，所述的折弯刀21还包括与第一折弯刃211隔开并在折弯部件2向下运动时能推动金属板材100向下折弯的第二折弯刃212。在折弯金属板材100时，第一折弯刃211向上运动，则将金属板材100向上折弯，此时可以松开夹紧部件1并向前送料，当夹紧部件2向下运动时，第二折弯刃212就在向下运动的过程中将金属板材100向下折弯，因此，使得金属板材100能够出现连续的相反方向的折弯，而不需要翻转金属板材100，能够提高生产效率。如果当金属板材100向上或向下折弯而不再需要连续向下或向上折弯时，松开夹紧部件1并退料即可。

Claims (4)

  1. 一种金属板材折弯机构，其特征在于：包括设在机架上并能夹持金属板材(100)的夹紧部件(1)，所述的机架上并位于夹紧部件(1)一侧设有能相对夹紧部件(1)上下运动和左右运动而将金属板材(100)折弯的折弯部件(2)，所述的机架上还设有与折弯部件(2)连接并能驱动其上下运动和左右运动的驱动部件(3)。
  2. 根据权利要求1所述的金属板材折弯机构，其特征在于：所述的折弯部件(2)包括在其上下运动时能推动金属板材(100)而将金属板材(100)折弯的折弯刀(21)，所述的驱动部件(3)包括设在机架上并能驱动折弯部件(2)上下运动的曲柄连杆机构(31)，所述的曲柄连杆机构(31)包括与机架转动连接的曲柄(311)，所述的曲柄(311)与折弯刀(21)之间设有与二者铰接的连杆(312)，所述的机架上还连接有能相对其上下运动的块体(32)，所述的块体(32)上设有倾斜的滑轨(33)，所述的折弯刀(21)上设有与滑轨(33)滑动配合的滑槽，在曲柄(311)转动和块体(32)上下运动时，所述的折弯刀(21)相对倾斜的滑轨(33)滑行而实现折弯部件(2)相对夹紧部件(1)上下和左右移动。
  3. 根据权利要求1所述的金属板材折弯机构，其特征在于：所述的折弯部件(2)包括在其上下运动时能推动金属板材(100)而将金属板材(100)折弯的折弯刀(21)，所述的驱动部件(3)包括设在机架上并能驱动折弯部件(2)上下运动的曲柄连杆机构(31)， 所述的曲柄连杆机构(31)包括与机架转动连接的曲柄(311)，所述的曲柄(311)与折弯刀(21)之间设有与二者铰接的连杆(312)，所述的机架上还连接有能相对其斜向运动的块体(32)，所述的块体(32)上设有竖向的滑轨(33)，所述的折弯刀(21)上设有与滑轨(33)滑动配合的滑槽，在曲柄(311)转动和块体(32)斜向运动时，所述的折弯刀(21)相对竖向的滑轨(33)滑行而实现折弯部件(2)相对夹紧部件(1)上下和左右移动。
  4. 根据权利要求2或3所述的金属板材折弯机构，其特征在于：所述的折弯刀(21)包括在折弯部件(2)向上运动时推动金属板材(100)向上折弯的第一折弯刃(211)，所述的折弯刀(21)还包括在折弯部件(2)向下运动时能推动金属板材(100)向下折弯的第二折弯刃(212)。
PCT/CN2017/113734 2017-07-19 2017-11-30 一种金属板材折弯机构 WO2019015202A1 (zh)

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Application Number Priority Date Filing Date Title
CN201710590965.4 2017-07-19
CN201710590965.4A CN107377697A (zh) 2017-07-19 2017-07-19 一种金属板材折弯机构

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