WO2026001576A1 - 具有自动拼刀结构的折弯机 - Google Patents

具有自动拼刀结构的折弯机

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Publication number
WO2026001576A1
WO2026001576A1 PCT/CN2025/098726 CN2025098726W WO2026001576A1 WO 2026001576 A1 WO2026001576 A1 WO 2026001576A1 CN 2025098726 W CN2025098726 W CN 2025098726W WO 2026001576 A1 WO2026001576 A1 WO 2026001576A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
slider
forth
connecting hole
shaft
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2025/098726
Other languages
English (en)
French (fr)
Inventor
刘万林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2026001576A1 publication Critical patent/WO2026001576A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides

Definitions

  • This invention relates to the field of bending machines, and in particular to a bending machine with an automatic blade-aligning structure.
  • a bending machine is a machine capable of bending thin plates. Its structure mainly consists of a frame, hydraulic system, electrical system, slide mechanism, synchronization mechanism, upper and lower die mechanism, back gauge, and front support frame.
  • the upper and lower die mechanism includes an upper pressure knife assembly and a lower bending die. Different upper and lower bending dies are customized according to different bending requirements.
  • the slide moves up and down to allow the cutting tool to complete the bending operation on the product.
  • the present invention addresses the deficiencies of the existing technology, and its main objective is to provide a bending machine with an automatic blade-aligning structure, which can effectively solve the problems of low bending accuracy, inconvenient maintenance, high working noise, and low bending processing efficiency of existing bending machines.
  • the present invention adopts the following technical solution:
  • a bending machine with an automatic blade-aligning structure includes a frame, a controller, a slider, two lead screws, two servo motors, two nut seats, two fixed sleeves, and a blade-aligning assembly.
  • a lower blade seat is mounted on the frame.
  • the controller is mounted on the frame.
  • the slider is movably mounted on the frame and positioned above the lower blade seat.
  • the two lead screws are arranged horizontally and rotatably on the frame.
  • the two servo motors are mounted on the frame and connected to the controller, driving the corresponding lead screws to rotate.
  • the two nut seats are respectively fitted onto the lower ends of the corresponding lead screws and move up and down with the rotation of the lead screws.
  • the two fixed sleeves are fitted and fixed onto the corresponding nut seats and move up and down with the nut seats, with the lower ends of the two fixed sleeves fixed to the left and right sides of the slider, thereby driving the slider to move up and down.
  • the tool assembly moves back and forth; it is mounted on the slider and moves back and forth with the slider, located directly above the lower tool holder, and connected to the controller; the tool assembly includes a first adjustable tool group, a first tool changing drive unit, a second adjustable tool group, and a second tool changing drive unit; the first adjustable tool group is mounted on the slider and can be flipped up and down, and includes multiple first tools arranged in sequence; the first tool changing drive unit is mounted on the slider and drives the first adjustable tool group to flip up and down; the second adjustable tool group is mounted on the slider and can move back and forth laterally, located beside the first adjustable tool group, and includes multiple second tools arranged in sequence laterally; the second tool changing drive unit is mounted on the slider and drives the second adjustable tool group to move back and forth laterally.
  • the frame is provided with two slide rails arranged on the left and right sides.
  • Each fixed sleeve is provided with a slide block that cooperates with the slide rail. The fixed sleeve moves up and down back and forth under the drive of the nut seat through the cooperation of the slide block and the slide rail.
  • the slider has two vertically extending fixing grooves on its left and right sides, respectively.
  • the upper end of each fixing groove is semi-circular, and each fixing groove has a semi-circular block at its upper end.
  • a first connecting hole extending vertically is passed through the semi-circular block.
  • a second connecting hole passes through the upper end face of the slider and the upper inner wall of the fixing groove. The second connecting hole and the first connecting hole are vertically aligned.
  • the lower end of each of the two fixing sleeves is provided with an end cap.
  • the lower end face of each end cap is integrally recessed with a semi-circular adapter groove.
  • a semi-circular ball head is provided in the adapter groove.
  • a third connecting hole extending vertically is passed through the ball head.
  • the third connecting hole and the second connecting hole are vertically aligned.
  • the upper bottom surface of the adapter groove has a first fixing hole extending upwards.
  • the first fixing hole and the third connecting hole are vertically aligned.
  • a first fixing bolt passes through the first connecting hole, the second connecting hole, the third connecting hole, and the first fixing hole from bottom to top, thereby fixing the fixing sleeve and the slider together.
  • the diameters of the first connecting hole, the second connecting hole, and the third connecting hole are all larger than the diameter of the first fixing bolt.
  • the output end of the servo motor is connected to a first synchronous pulley, and the upper end of the lead screw is provided with a second synchronous pulley.
  • the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt, and the servo motor drives the lead screw to rotate back and forth through the transmission of the synchronous belt.
  • the fixing sleeve is a steel pipe.
  • the first tool changer drive unit includes a mounting base, a movable frame, a first drive mechanism, a tilting shaft, a moving shaft, and a second drive mechanism.
  • the mounting base is disposed on the slider and located beside the first adjustable tool group, and has a receiving groove.
  • the movable frame is movably disposed on the mounting base laterally.
  • the first drive mechanism is disposed on the mounting base and drives the movable frame to move back and forth.
  • the tilting shaft is rotatably disposed on the movable frame and moves laterally back and forth with the movable frame.
  • the moving shaft is disposed at the outer end of the tilting shaft and moves laterally back and forth with the tilting shaft. The tilting shaft can rotate back and forth relative to the moving shaft.
  • the second drive mechanism is disposed on the movable frame and drives the tilting shaft to rotate back and forth.
  • the aforementioned plurality of first tools are hung on the moving shaft and the tilting shaft and located in the receiving groove.
  • the plurality of first tools are engaged or disengaged from the tilting shaft as the moving shaft and the tilting shaft move.
  • the first tool engaged in the tilting shaft is driven by the tilting shaft to rotate up and down.
  • the first cutting tool is provided with a first limiting part
  • the flipping shaft is recessed with a first limiting groove that cooperates with the first limiting part
  • the moving shaft is recessed with a second limiting groove that cooperates with the first limiting part
  • the first cutting tool is engaged with or disengaged from the flipping shaft through the cooperation of the first limiting part with the first limiting groove and the second limiting groove
  • the side wall of the receiving groove is provided with a second limiting part that cooperates with the second limiting groove.
  • each second adjusting tool group there are two second adjusting tool groups, with each second adjusting tool group positioned on one side of the first adjusting tool group; correspondingly, there are two second tool changing drive units, with each second tool changing drive unit driving the corresponding second adjusting tool group to move back and forth.
  • each second tool is provided with two laterally spaced limiting rods, with a limiting groove sandwiched between the two limiting rods;
  • the second tool change drive unit includes a conveyor belt, a third drive mechanism, a transmission seat, a limiting head, and a fourth drive mechanism;
  • the conveyor belt extends laterally and is rotatably mounted on the slider and located above the second adjusting tool group;
  • the third drive mechanism is mounted on the slider and drives the conveyor belt to rotate back and forth;
  • the transmission seat is mounted on the conveyor belt and moves laterally back and forth with the conveyor belt;
  • the limiting head is movably mounted on the transmission seat and moves back and forth with the transmission seat, and the limiting head can move downwards into the limiting groove;
  • the fourth drive mechanism is mounted on the transmission seat and drives the limiting head to move up and down.
  • first adjustable tool set that can be flipped up and down on the slider, and a second adjustable tool set that can be moved laterally back and forth on the slider and located next to the first adjustable tool set. This allows it to automatically assemble tools of appropriate size according to the specific product dimensions being processed, eliminating the need for manual tool changing. This effectively improves the overall bending efficiency.
  • Figure 1 is a three-dimensional structural schematic diagram of a preferred embodiment of the present invention.
  • Figure 2 is a partial assembly schematic diagram of a preferred embodiment of the present invention.
  • Figure 3 is a cross-sectional schematic diagram of a preferred embodiment of the present invention.
  • Figure 4 is an enlarged view of point A in Figure 3;
  • Figure 5 is a three-dimensional structural diagram of the knife assembly in a preferred embodiment of the present invention.
  • Figure 6 is a partial assembly schematic diagram of the knife assembly in a preferred embodiment of the present invention.
  • Figure 7 is a schematic diagram of another partial assembly of the blade assembly in a preferred embodiment of the present invention.
  • Figure 8 is an enlarged view of point B in Figure 7;
  • Figure 9 is a three-dimensional structural diagram of the first cutting tool in a preferred embodiment of the present invention.
  • Knife assembly 801. Receiving slot
  • First tool changer drive unit 821 First tool changer drive unit 821. Mounting base
  • Second Adjusting Tool Set 831 Second Tool
  • Second tool changer drive unit 841. Conveyor belt
  • Figures 1 to 9 show the specific structure of a preferred embodiment of the present invention, including a frame 10, a controller 20, a slider 30, two lead screws 40, two servo motors 50, two nut seats 60, two fixing sleeves 70, and a blade assembly 80.
  • a lower tool holder 11 is provided on the frame 10; the controller 20 is provided on the frame 10; in this embodiment, two slide rails 12 arranged on the left and right are provided on the frame 10.
  • the slider 30 is movably mounted on the frame 10 and located above the lower tool holder 11.
  • two vertically extending fixing grooves 301 are respectively provided on the left and right sides of the slider 30.
  • the upper end of the fixing groove 301 is semi-circular.
  • Each fixing groove 301 has a semi-circular block 31 at its upper end.
  • a vertically extending first connecting hole 302 passes through the semi-circular block 31.
  • a second connecting hole 303 passes through the upper end face of the slider 30 and the upper inner wall of the fixing groove 301.
  • the second connecting hole 303 and the first connecting hole 302 are vertically aligned.
  • the two lead screws 40 are arranged on the left and right and can be rotated back and forth on the frame 10; in this embodiment, a second synchronous pulley 41 is provided at the upper end of the lead screw 40.
  • the two servo motors 50 are mounted on the frame 10 and connected to the controller 20 respectively.
  • the two servo motors 50 drive the corresponding lead screws 40 to rotate back and forth, so that the servo motors 50 drive the lead screws 40 to replace the existing hydraulic transmission method.
  • the motor transmission method not only has a faster response speed and thus higher bending accuracy, but also does not require a complex oil circuit structure, making the assembly and maintenance process more convenient.
  • the output end of the servo motor 50 is connected to a first synchronous pulley 51.
  • the first synchronous pulley 51 and the second synchronous pulley 41 are connected by a synchronous belt (not shown in the figure).
  • the servo motor 50 drives the lead screws 40 to rotate back and forth through the synchronous belt transmission method.
  • the two nut seats 60 are respectively fitted onto the lower end of the corresponding lead screw 40 and move up and down as the lead screw 40 rotates.
  • each fixed sleeve 70 is provided with a slide block 71 that cooperates with the slide rail 12.
  • the fixed sleeve 70 moves up and down with the nut seat 60 through the cooperation of the slide block 71 and the slide rail 12.
  • Both fixed sleeves 70 have an end cap 72 at their lower ends.
  • Each end cap 72 has a semi-circular adapter groove 701 integrally recessed into its lower end face.
  • a semi-circular ball head 73 is provided within the adapter groove 701, through which a third connecting hole 702 extends vertically.
  • the third connecting hole 702 is vertically aligned with the second connecting hole 303.
  • a first fixing hole 703 extends upwards through the top surface of the adapter groove 701, directly opposite the third connecting hole 702.
  • a first fixing bolt 74 passes through the first connecting hole 302 and the second connecting hole 303 sequentially from bottom to top.
  • the third connecting hole 702 and the first fixing hole 703 fix the fixing sleeve 70 and the slider 30 together.
  • the diameters of the first connecting hole 302, the second connecting hole 303, and the third connecting hole 702 are all larger than the diameter of the first fixing bolt 74.
  • the fixing sleeve 70 is a steel pipe.
  • the blade assembly 80 is mounted on the slider 30 and moves up and down with the slider 30.
  • the blade assembly 80 is located directly above the lower blade holder 11 and is connected to the controller 20.
  • the blade assembly 80 includes a first adjustable blade group 81, a first blade changing drive unit 82, a second adjustable blade group 83, and a second blade changing drive unit 84.
  • the first adjustable blade group 81 is mounted on the slider 30 and can be flipped up and down.
  • the first adjustable blade group 81 includes a plurality of first blades 811 arranged in sequence.
  • the first blade changing drive unit 82 is mounted on the slider 30 and drives the first adjustable blade group 81 to flip up and down.
  • the second adjustable blade group 83 is mounted on the slider 30 and can move back and forth laterally and is located next to the first adjustable blade group 81.
  • the second adjustable blade group 83 includes a plurality of second blades 831 arranged in sequence laterally.
  • the second blade changing drive unit 84 is mounted on the slider 30 and drives the second adjustable blade group 83 to move back and forth laterally.
  • the first tool changer drive unit 82 includes a mounting base 821, a movable frame 822, a first drive mechanism 823, a tilting shaft 824, a moving shaft 825, and a second drive mechanism 826.
  • the mounting base 821 is disposed on the slider 30 and located beside the first adjustable tool group 81, and has a receiving groove 801.
  • the movable frame 822 is movably disposed on the mounting base 821.
  • the first drive mechanism 823 is disposed on the mounting base 821 and drives the movable frame 822 to move back and forth.
  • the tilting shaft 824 is rotatably disposed on the movable frame 822 and moves with the movable frame.
  • the frame 822 moves back and forth laterally; the movable shaft 825 is located at the outer end of the flip shaft 824 and moves back and forth laterally with the flip shaft 824.
  • the flip shaft 824 can flip back and forth relative to the movable shaft 825.
  • the second drive mechanism 826 is located on the movable frame 822 and drives the flip shaft 824 to rotate back and forth.
  • the aforementioned plurality of first tools 811 are hung on the movable shaft 825 and the flip shaft 824 and are located in the receiving groove 801.
  • the plurality of first tools 811 are engaged or disengaged from the flip shaft 824 as the movable shaft 825 and the flip shaft 824 move.
  • the first tool engaged in the flip shaft 824 is driven by the flip shaft 824 to flip up and down.
  • the first cutting tool 811 is provided with a first limiting part 812, the flipping shaft 824 is recessed with a first limiting groove 802 that cooperates with the first limiting part 812, and the moving shaft 825 is recessed with a second limiting groove 803 that cooperates with the first limiting part 812.
  • the first cutting tool 811 is engaged with or disengaged from the flipping shaft 824 through the cooperation of the first limiting part 812, the first limiting groove 802, and the second limiting groove 803.
  • the side wall of the receiving groove 801 is provided with a second limiting part 827 that cooperates with the second limiting groove 803.
  • the second limiting part 827, through its cooperation with the second limiting groove 803, is used to prevent the moving shaft 825 from rotating.
  • the second adjusting tool group 83 is configured in pairs, with each pair positioned on either side of the first adjusting tool group 81.
  • the second tool changing drive unit 84 is configured in pairs, with each second tool changing drive unit 84 driving the corresponding second adjusting tool group 83 to move back and forth.
  • Each second tool 831 is provided with two horizontally spaced limiting rods 832, with a third limiting groove 804 sandwiched between the two limiting rods 832.
  • the second tool changing drive unit 84 includes a conveyor belt 841, a third drive mechanism 842, a transmission seat 843, a limiting head 844, and a fourth drive mechanism 845.
  • the conveyor belt 841 extends laterally and is rotatably mounted on the slider 30, located above the second adjusting tool group 83.
  • the third drive mechanism 842 is mounted on the slider 30 and drives the conveyor belt 841 to rotate back and forth.
  • the transmission seat 843 is mounted on the conveyor belt 841 and moves with the conveyor belt 845. 1.
  • Lateral back-and-forth movement; the limiting head 844 is movably mounted on the transmission seat 843 and moves back and forth with the transmission seat 843.
  • the limiting head 844 can move downwards and extend into the third limiting groove 804.
  • the fourth drive mechanism 845 is mounted on the transmission seat 843 and drives the limiting head 844 to move back and forth.
  • the limiting head 844 extends downwards into the corresponding third limiting groove 804.
  • the third drive mechanism 842 drives the conveyor belt 841 to drive the corresponding number of second cutters 831 toward the first adjusting cutter group 81, thereby cooperating with the first adjusting cutter group 81 to complete the cutter assembly process.
  • the key design feature of this invention is that it uses two servo motors to drive corresponding lead screws to rotate back and forth.
  • Two nut seats are respectively fitted onto the lower ends of the corresponding lead screws and move up and down with the rotation of the lead screws.
  • Two fixed sleeves are fitted and fixed onto the corresponding nut seats and move up and down with the nut seats.
  • the lower ends of the two fixed sleeves are respectively fixed to the left and right sides of the slider, thereby driving the slider to move up and down.
  • This allows the servo motor drive to replace the existing hydraulic drive, which has a fast response speed and high positional accuracy, thus ensuring the accuracy of sheet metal bending.
  • the overall structure is simpler, requiring no additional hydraulic circuit structure, making maintenance and installation convenient, and reducing noise during operation.
  • first adjusting tool group can be flipped up and down on the slider, and the second adjusting tool group can be moved laterally back and forth on the slider and located next to the first adjusting tool group.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Shearing Machines (AREA)

Abstract

一种具有自动拼刀结构的折弯机，其通过两伺服电机（50）带动对应的丝杆（40）来回转动，代替现有的液压驱动方式，并配合第一调节刀具组（81）可上下来回翻转地设置在滑块（30）上，第二调节刀具组（83）可横向来回活动地设置在滑块（30）上并位于第一调节刀具组（81）侧旁，使之可以根据具体加工的产品尺寸自动拼接出合适尺寸的刀具，无需人工进行换刀。

Description

具有自动拼刀结构的折弯机 技术领域
本发明涉及折弯机领域技术，尤其是指一种具有自动拼刀结构的折弯机。
 背景技术
折弯机是一种能够对薄板进行折弯的机器，其结构主要包括机架、液压系统、电气系统、滑块机构、同步机构、上下模机构、后挡料、前托料架等部分组成。其中上下模机构包括上压刀组件及下折弯模具，根据不同的折弯需求，定制相应的上下折弯模具，工作过程中需要通过带动滑块上下来回活动从而使刀具完成对产品的折弯操作。
现有的折弯机滑块一般采用液压的驱动方式来带动滑块上下来回活，液压的传动方式不仅相应速度慢，导致折弯的精度不高，而且液压系统的油路较为复杂，不方便维修，另外液压的传动方式在工作过程中产生的噪音较大，影响操作者的工作环境，同时折弯机在折弯不同尺寸的产品时，需要采用人工的方式更换不同尺寸的刀具来完成折弯过程，影响了折弯加工的效率；因此，有必要对现有的折弯机结构作出进一步改进。
 技术解决方案
有鉴于此，本发明针对现有技术存在之缺失，其主要目的是提供一种具有自动拼刀结构的折弯机，其能有效解决现有之折弯机折弯精度不高、维修过程不便、工作噪音大以及折弯加工效率低的问题。
为实现上述目的，本发明采用如下之技术方案：
一种具有自动拼刀结构的折弯机，包括有一机架、一控制器、一滑块、两丝杆、两伺服电机、两螺母座、两固定套管以及一拼刀组件；所述机架上设置有一下刀座；该控制器设置在机架上；该滑块可上下来回活动地设置在机架上并位于下刀座上方；该两丝杆左右排布并可来回转动地设置在机架上；该两伺服电机设置在机架上并分别与控制器连接，两伺服电机带动对应的丝杆来回转动；该两螺母座分别套设在对应的丝杆的下端并随着丝杆的转动而上下来回活动；该两固定套管套设固定在对应的螺母座上并随着螺母座上下来回活动，且两固定套管的下端分别与滑块左右两侧固定从而带动滑块上下来回活动；该拼刀组件设置在滑块上并随着滑块上下来回活动，拼刀组件位于下刀座正上方，拼刀组件与控制器连接；所述拼刀组件包括有第一调节刀具组、第一换刀驱动单元、第二调节刀具组以及第二换刀驱动单元；该第一调节刀具组可上下来回翻转地设置在滑块上，第一调节刀具组包括有依次排布的多个第一刀具；该第一换刀驱动单元设置在滑块上并带动第一调节刀具组上下翻转；所述第二调节刀具组可横向来回活动地设置在滑块上并位于第一调节刀具组侧旁，第二调节刀具组包括有横向依次排布的多个第二刀具；所述第二换刀驱动单元设置在滑块上并带动第二调节刀具组横向来回活动。
作为一种优选方案，所述机架上设置有两左右排布的滑轨，每一固定套管上均设置有与滑轨配合的滑座，固定套管通过滑座与滑轨的配合，并在螺母座的带动下上下来回活动。
作为一种优选方案，所述滑块上左右两侧分别开设有两上下延伸的固定槽，固定槽的上端为半圆形，每一固定槽上端具有一半圆块，半圆块内贯穿有上下延伸的第一连接孔，一第二连接孔贯穿滑块的上端面与固定槽的上端内壁，第二连接孔与第一连接孔上下正对；两固定套管的下端均设置有一端盖，每一端盖的下端面均一体向内凹设有半圆形的适配槽，适配槽中设置有一半圆形的球头，该球头内贯穿有一上下延伸的第三连接孔，第三连接孔与第二连接孔上下正对，适配槽的上底面向上贯穿有第一固定孔，第一固定孔与第三连接孔正对，一第一固定螺栓由下往上依次穿过第一连接孔、第二连接孔、第三连接孔以及第一固定孔从而将固定套管以及滑块固定在一起，其中第一连接孔、第二连接孔以及第三连接孔的直径均大于第一固定螺栓的直径。
作为一种优选方案，所述伺服电机的输出端连接有第一同步轮，丝杆的上端设置有一第二同步轮，第一同步轮与第二同步轮之间通过一同步带连接，伺服电机通过同步带的传动方式带动丝杆来回转动。
作为一种优选方案，所述固定套管为钢管。
作为一种优选方案，所述第一换刀驱动单元包括有安装座、活动架、第一驱动机构、翻转轴、移动轴以及第二驱动机构；该安装座设置在滑块上并位于第一调节刀具组侧旁，安装座上具有容置槽；该活动架可横向来回活动地设置在安装座上；该第一驱动机构设置在安装座上并带动活动架来回活动；该翻转轴可来回翻转地设置在活动架上并随着活动架横向来回活动；该移动轴设置在翻转轴的外端并随着翻转轴横向来回活动，所述翻转轴可相对移动轴来回翻转，第二驱动机构设置在活动架上并带动翻转轴来回转动；前述多个第一刀具挂在移动轴和翻转轴上并位于容置槽中，多个第一刀具随移动轴和翻转轴移动而卡入或脱离翻转轴，卡入翻转轴的第一刀具由翻转轴带动而上下翻转。
作为一种优选方案，所述第一刀具上设置有第一限位部，翻转轴上凹设有与第一限位部配合的第一限位槽，移动轴上凹设有与第一限位部配合的第二限位槽，第一刀具通过第一限位部与第一限位槽以及第二限位槽的配合卡入或脱离翻转轴，且容置槽侧壁上凸设有与第二限位槽配合的第二限位部。
作为一种优选方案，所述第二调节刀具组为两个设置，两第二调节刀具组分别设置在第一调节刀具组的两侧；对应的，第二换刀驱动单元为两个设置，每一第二换刀驱动单元带动对应的第二调节刀具组来回活动。
作为一种优选方案，每一第二刀具上设置有两横向间隔排布的限位杆，两限位杆之间夹设有限位槽；所述第二换刀驱动单元包括有输送带、第三驱动机构、传动座、限位头以及第四驱动机构；该输送带横向延伸并来回转动地设置在滑块上并位于第二调节刀具组的上方；该第三驱动机构设置在滑块上并带动输送带来回转动；该传动座设置在输送带上并随着输送带横向来回活动；该限位头可上下来回活动地设置在传动座上并随着传动座来回活动，限位头可向下活动伸入限位槽中；该第四驱动机构设置在传动座上并带动限位头上下来回活动。
本发明与现有技术相比具有明显的优点和有益效果，具体而言，由上述技术方案可知：
其通过两伺服电机带动对应的丝杆来回转动，两螺母座分别套设在对应的丝杆的下端并随着丝杆的转动而上下来回活动；该两固定套管套设固定在对应的螺母座上并随着螺母座上下来回活动，且两固定套管的下端分别与滑块左右两侧固定从而带动滑块上下来回活动，使之通过伺服电机的驱动方式代替现有的液压驱动方式，电机驱动方式响应速度快,位置精度高，从而保证了钣金折弯的精度；同时整体结构也更加简单，无需更多的油路结构，维修和安装方便，工作时的噪音也更小；并配合第一调节刀具组可上下来回翻转地设置在滑块上，第二调节刀具组可横向来回活动地设置在滑块上并位于第一调节刀具组侧旁，使之可以根据具体加工的产品尺寸自动拼接出合适尺寸的刀具，无需人工进行换刀；有效提升了整体的折弯效率。
 附图说明
图1是本发明之较佳实施例的立体结构示意图；
图2是本发明之较佳实施例的局部组装示意图；
图3是本发明之较佳实施例的截面示意图；
图4是图3中A处的放大示意图；
图5是本发明之较佳实施例中拼刀组件的立体结构示意图；
图6是本发明之较佳实施例中拼刀组件的局部组装示意图；
图7是本发明之较佳实施例中拼刀组件另一局部组装示意图；
图8是图7中B处的放大示意图；
图9之本发明之较佳实施例中第一刀具的立体结构示意图。
附图标识说明：
10、机架                   11、下刀座
12、滑轨                   20、控制器
30、滑块                   301、固定槽
302、第一连接孔            303、第二连接孔
31、半圆块                 40、丝杆
41、第二同步轮             50、伺服电机
51、第一同步轮             60、螺母座
70、固定套管               701、适配槽
702、第三连接孔            703、第一固定孔
71、滑座               72、端盖
73、球头                   74、第一固定螺栓
80、拼刀组件               801、容置槽
802、第一限位槽            803、第二限位槽
804、第三限位槽            81、第一调节刀具组
811、第一刀具              812、第一限位部
82、第一换刀驱动单元       821、安装座
822、活动架                823、第一驱动机构
824、翻转轴                825、移动轴
826、第二驱动机构          827、第二限位部
83、第二调节刀具组         831、第二刀具
832、限位杆
84、第二换刀驱动单元       841、输送带
842、第三驱动机构          843、传动座
844、限位头                845、第四驱动机构。
 本发明的最佳实施方式
请参照图1至图9所示，其显示出了本发明之较佳实施例的具体结构，其中包括有一机架10、一控制器20、一滑块30、两丝杆40、两伺服电机50、两螺母座60、两固定套管70以及一拼刀组件80。
所述机架10上设置有一下刀座11；该控制器20设置在机架10上；在本实施例中，所述机架10上设置有两左右排布的滑轨12。
该滑块30可上下来回活动地设置在机架10上并位于下刀座11上方。在本实施例中，所述滑块30上左右两侧分别开设有两上下延伸的固定槽301，固定槽301的上端为半圆形，每一固定槽301上端具有一半圆块31，半圆块31内贯穿有上下延伸的第一连接孔302，一第二连接孔303贯穿滑块30的上端面与固定槽301的上端内壁，第二连接孔303与第一连接孔302上下正对。
该两丝杆40左右排布并可来回转动地设置在机架10上；在本实施例中丝杆40的上端设置有一第二同步轮41。
该两伺服电机50设置在机架10上并分别与控制器20连接，两伺服电机50带动对应的丝杆40来回转动，使之通过伺服电机50驱动代替现有的液压传动方式，电机的传动方式不仅相应速度更快，从而折弯精度更高，而且无需复杂的油路结构，组装和维修过程都更加方便；在本实施例中，所述伺服电机50的输出端连接有第一同步轮51；第一同步轮51与第二同步轮41之间通过一同步带（图中未示）连接，伺服电机50通过同步带的传动方式带动丝杆40来回转动。
该两螺母座60分别套设在对应的丝杆40的下端并随着丝杆40的转动而上下来回活动。
该两固定套管套70设固定在对应的螺母座60上并随着螺母座60上下来回活动，且两固定套管70的下端分别与滑块30左右两侧固定从而带动滑块30上下来回活动。在本实施例中，所述每一固定套管70上均设置有与滑轨12配合的滑座71，固定套管70通过滑座71与滑轨12的配合，并在螺母座60的带动下上下来回活动。两固定套管70的下端均设置有一端盖72，每一端盖72的下端面均一体向内凹设有半圆形的适配槽701，适配槽701中设置有一半圆形的球头73，该球头73内贯穿有一上下延伸的第三连接孔702，第三连接孔702与第二连接孔303上下正对，适配槽701的上底面向上贯穿有第一固定孔703，第一固定孔703与第三连接孔702正对，一第一固定螺栓74由下往上依次穿过第一连接孔302、第二连接孔303、第三连接孔702以及第一固定孔703从而将固定套管70以及滑块30固定在一起，其中第一连接孔302、第二连接孔303以及第三连接孔702的直径均大于第一固定螺栓74的直径，使得滑块30在进行上下活动时，还可以通过两伺服电机50的单独控制，并在半圆块31与固定槽301上端的配合，以及球头73与适配槽701的配合下，使得滑块30左右联动或者单独运动，方便设备后期安装调试及特殊工况的使用。所述固定套管70为钢管。
该拼刀组件80设置在滑块30上并随着滑块30上下来回活动，拼刀组件80位于下刀座11正上方，拼刀组件80与控制器20连接；所述拼刀组件80包括有第一调节刀具组81、第一换刀驱动单元82、第二调节刀具组83以及第二换刀驱动单元84；该第一调节刀具组81可上下来回翻转地设置在滑块30上，第一调节刀具组81包括有依次排布的多个第一刀具811；该第一换刀驱动单元82设置在滑块30上并带动第一调节刀具组81上下翻转；所述第二调节刀具组83可横向来回活动地设置在滑块30上并位于第一调节刀具组81侧旁，第二调节刀具组83包括有横向依次排布的多个第二刀具831；所述第二换刀驱动单元84设置在滑块30上并带动第二调节刀具组83横向来回活动。
在本实施例中，所述第一换刀驱动单元82包括有安装座821、活动架822、第一驱动机构823、翻转轴824、移动轴825以及第二驱动机构826；该安装座821设置在滑块30上并位于第一调节刀具组81侧旁，安装座821上具有容置槽801；该活动架822可横向来回活动地设置在安装座821上；该第一驱动机构823设置在安装座821上并带动活动架822来回活动；该翻转轴824可来回翻转地设置在活动架822上并随着活动架822横向来回活动；该移动轴825设置在翻转轴824的外端并随着翻转轴824横向来回活动，所述翻转轴824可相对移动轴825来回翻转，第二驱动机构826设置在活动架822上并带动翻转轴824来回转动；前述多个第一刀具811挂在移动轴825和翻转轴824上并位于容置槽801中，多个第一刀具811随移动轴825和翻转轴824移动而卡入或脱离翻转轴824，卡入翻转轴824的第一刀具由翻转轴824带动而上下翻转。所述第一刀具811上设置有第一限位部812，翻转轴824上凹设有与第一限位部812配合的第一限位槽802，移动轴825上凹设有与第一限位部812配合的第二限位槽803，第一刀具811通过第一限位部812与第一限位槽802以及第二限位槽803的配合卡入或脱离翻转轴824，且容置槽801侧壁上凸设有与第二限位槽803配合的第二限位部827，该第二限位部827通过与第二限位槽803的配合，用于防止移动轴825旋转。
所述第二调节刀具组83为两个设置，两第二调节刀具组83分别设置在第一调节刀具组81的两侧；对应的，第二换刀驱动单元84为两个设置，每一第二换刀驱动单元84带动对应的第二调节刀具组83来回活动。每一第二刀具831上设置有两横向间隔排布的限位杆832，两限位杆832之间夹设有第三限位槽804；所述第二换刀驱动单元84包括有输送带841、第三驱动机构842、传动座843、限位头844以及第四驱动机构845；该输送带841横向延伸并来回转动地设置在滑块30上并位于第二调节刀具组83的上方；该第三驱动机构842设置在滑块30上并带动输送带841来回转动；该传动座843设置在输送带841上并随着输送带841横向来回活动；该限位头844可上下来回活动地设置在传动座843上并随着传动座843来回活动，限位头844可向下活动伸入第三限位槽804中；该第四驱动机构845设置在传动座843上并带动限位头844上下来回活动，通过限位头844向下伸入对应的第三限位槽804中，然后通过第三驱动机构842带动输送带841传动，从而带动对应数量的第二刀具831朝向第一调节刀具组81活动，从而配合第一调节刀具组81完成拼刀过程。
本发明的设计重点在于：其通过两伺服电机带动对应的丝杆来回转动，两螺母座分别套设在对应的丝杆的下端并随着丝杆的转动而上下来回活动；该两固定套管套设固定在对应的螺母座上并随着螺母座上下来回活动，且两固定套管的下端分别与滑块左右两侧固定从而带动滑块上下来回活动，使之通过伺服电机的驱动方式代替现有的液压驱动方式，电机驱动方式响应速度快,位置精度高，从而保证了钣金折弯的精度；同时整体结构也更加简单，无需更多的油路结构，维修和安装方便，工作时的噪音也更小；并配合第一调节刀具组可上下来回翻转地设置在滑块上，第二调节刀具组可横向来回活动地设置在滑块上并位于第一调节刀具组侧旁，使之可以根据具体加工的产品尺寸自动拼接出合适尺寸的刀具，无需人工进行换刀；有效提升了整体的折弯效率。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术范围作任何限制，故凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (9)

  1. 一种具有自动拼刀结构的折弯机，其特征在于：包括有一机架、一控制器、一滑块、两丝杆、两伺服电机、两螺母座、两固定套管以及一拼刀组件；所述机架上设置有一下刀座；该控制器设置在机架上；该滑块可上下来回活动地设置在机架上并位于下刀座上方；该两丝杆左右排布并可来回转动地设置在机架上；该两伺服电机设置在机架上并分别与控制器连接，两伺服电机带动对应的丝杆来回转动；该两螺母座分别套设在对应的丝杆的下端并随着丝杆的转动而上下来回活动；该两固定套管套设固定在对应的螺母座上并随着螺母座上下来回活动，且两固定套管的下端分别与滑块左右两侧固定从而带动滑块上下来回活动；该拼刀组件设置在滑块上并随着滑块上下来回活动，拼刀组件位于下刀座正上方，拼刀组件与控制器连接；所述拼刀组件包括有第一调节刀具组、第一换刀驱动单元、第二调节刀具组以及第二换刀驱动单元；该第一调节刀具组可上下来回翻转地设置在滑块上，第一调节刀具组包括有依次排布的多个第一刀具；该第一换刀驱动单元设置在滑块上并带动第一调节刀具组上下翻转；所述第二调节刀具组可横向来回活动地设置在滑块上并位于第一调节刀具组侧旁，第二调节刀具组包括有横向依次排布的多个第二刀具；所述第二换刀驱动单元设置在滑块上并带动第二调节刀具组横向来回活动。
  2. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述机架上设置有两左右排布的滑轨，每一固定套管上均设置有与滑轨配合的滑座，固定套管通过滑座与滑轨的配合，并在螺母座的带动下上下来回活动。
  3. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述滑块上左右两侧分别开设有两上下延伸的固定槽，固定槽的上端为半圆形，每一固定槽上端具有一半圆块，半圆块内贯穿有上下延伸的第一连接孔，一第二连接孔贯穿滑块的上端面与固定槽的上端内壁，第二连接孔与第一连接孔上下正对；两固定套管的下端均设置有一端盖，每一端盖的下端面均一体向内凹设有半圆形的适配槽，适配槽中设置有一半圆形的球头，该球头内贯穿有一上下延伸的第三连接孔，第三连接孔与第二连接孔上下正对，适配槽的上底面向上贯穿有第一固定孔，第一固定孔与第三连接孔正对，一第一固定螺栓由下往上依次穿过第一连接孔、第二连接孔、第三连接孔以及第一固定孔从而将固定套管以及滑块固定在一起，其中第一连接孔、第二连接孔以及第三连接孔的直径均大于第一固定螺栓的直径。
  4. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述伺服电机的输出端连接有第一同步轮，丝杆的上端设置有一第二同步轮，第一同步轮与第二同步轮之间通过一同步带连接，伺服电机通过同步带的传动方式带动丝杆来回转动。
  5. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述固定套管为钢管。
  6. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述第一换刀驱动单元包括有安装座、活动架、第一驱动机构、翻转轴、移动轴以及第二驱动机构；该安装座设置在滑块上并位于第一调节刀具组侧旁，安装座上具有容置槽；该活动架可横向来回活动地设置在安装座上；该第一驱动机构设置在安装座上并带动活动架来回活动；该翻转轴可来回翻转地设置在活动架上并随着活动架横向来回活动；该移动轴设置在翻转轴的外端并随着翻转轴横向来回活动，所述翻转轴可相对移动轴来回翻转，第二驱动机构设置在活动架上并带动翻转轴来回转动；前述多个第一刀具挂在移动轴和翻转轴上并位于容置槽中，多个第一刀具随移动轴和翻转轴移动而卡入或脱离翻转轴，卡入翻转轴的第一刀具由翻转轴带动而上下翻转。
  7. 根据权利要求6所述的具有自动拼刀结构的折弯机，其特征在于：所述第一刀具上设置有第一限位部，翻转轴上凹设有与第一限位部配合的第一限位槽，移动轴上凹设有与第一限位部配合的第二限位槽，第一刀具通过第一限位部与第一限位槽以及第二限位槽的配合卡入或脱离翻转轴，且容置槽侧壁上凸设有与第二限位槽配合的第二限位部。
  8. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：所述第二调节刀具组为两个设置，两第二调节刀具组分别设置在第一调节刀具组的两侧；对应的，第二换刀驱动单元为两个设置，每一第二换刀驱动单元带动对应的第二调节刀具组来回活动。
  9. 根据权利要求1所述的具有自动拼刀结构的折弯机，其特征在于：每一第二刀具上设置有两横向间隔排布的限位杆，两限位杆之间夹设有限位槽；所述第二换刀驱动单元包括有输送带、第三驱动机构、传动座、限位头以及第四驱动机构；该输送带横向延伸并来回转动地设置在滑块上并位于第二调节刀具组的上方；该第三驱动机构设置在滑块上并带动输送带来回转动；该传动座设置在输送带上并随着输送带横向来回活动；该限位头可上下来回活动地设置在传动座上并随着传动座来回活动，限位头可向下活动伸入限位槽中；该第四驱动机构设置在传动座上并带动限位头上下来回活动。
PCT/CN2025/098726 2024-06-25 2025-06-03 具有自动拼刀结构的折弯机 Pending WO2026001576A1 (zh)

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